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Finding the Fourth Proportional to 524,577.75, 786,866.48 and 145,498.53

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Solution

The fourth proportional to 524,577.75, 786,866.48 and 145,498.53 is: 218,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,577.75 : 786,866.48 = 145,498.53 : x
  2. Step 2: Convert to fraction form
    524,577.75/786,866.48 = 145,498.53/x
  3. Step 3: Cross multiply
    524,577.75x = 786,866.48 × 145,498.53
  4. Step 4: Simplify right side
    524,577.75x = 114,487,912,097.44
  5. Step 5: Solve for x
    x = 114,487,912,097.44/524,577.75
  6. Step 6: Final answer
    x = 218,247.75

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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.