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Finding the Fourth Proportional to 508,020.40, 762,157.14 and 358,552.36

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Solution

The fourth proportional to 508,020.40, 762,157.14 and 358,552.36 is: 537,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,020.40 : 762,157.14 = 358,552.36 : x
  2. Step 2: Convert to fraction form
    508,020.40/762,157.14 = 358,552.36/x
  3. Step 3: Cross multiply
    508,020.40x = 762,157.14 × 358,552.36
  4. Step 4: Simplify right side
    508,020.40x = 273,273,241,237.85
  5. Step 5: Solve for x
    x = 273,273,241,237.85/508,020.40
  6. Step 6: Final answer
    x = 537,917.85

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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.