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Finding the Fourth Proportional to 349,715.70, 524,573.55 and 96,995.70

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Solution

The fourth proportional to 349,715.70, 524,573.55 and 96,995.70 is: 145,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,715.70 : 524,573.55 = 96,995.70 : x
  2. Step 2: Convert to fraction form
    349,715.70/524,573.55 = 96,995.70/x
  3. Step 3: Cross multiply
    349,715.70x = 524,573.55 × 96,995.70
  4. Step 4: Simplify right side
    349,715.70x = 50,881,378,683.74
  5. Step 5: Solve for x
    x = 50,881,378,683.74/349,715.70
  6. Step 6: Final answer
    x = 145,493.55

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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.