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Finding the Fourth Proportional to 508,263.57, 762,397.98 and 171,307.14

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Solution

The fourth proportional to 508,263.57, 762,397.98 and 171,307.14 is: 256,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,263.57 : 762,397.98 = 171,307.14 : x
  2. Step 2: Convert to fraction form
    508,263.57/762,397.98 = 171,307.14/x
  3. Step 3: Cross multiply
    508,263.57x = 762,397.98 × 171,307.14
  4. Step 4: Simplify right side
    508,263.57x = 130,604,217,495.58
  5. Step 5: Solve for x
    x = 130,604,217,495.58/508,263.57
  6. Step 6: Final answer
    x = 256,961.59

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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.