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Finding the Fourth Proportional to 524,573.70, 786,860.55 and 169,842.30

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Solution

The fourth proportional to 524,573.70, 786,860.55 and 169,842.30 is: 254,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,573.70 : 786,860.55 = 169,842.30 : x
  2. Step 2: Convert to fraction form
    524,573.70/786,860.55 = 169,842.30/x
  3. Step 3: Cross multiply
    524,573.70x = 786,860.55 × 169,842.30
  4. Step 4: Simplify right side
    524,573.70x = 133,642,205,591.27
  5. Step 5: Solve for x
    x = 133,642,205,591.27/524,573.70
  6. Step 6: Final answer
    x = 254,763.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.