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Finding the Fourth Proportional to 508,513.28, 701,746.08 and 282,158.24

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Solution

The fourth proportional to 508,513.28, 701,746.08 and 282,158.24 is: 389,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,513.28 : 701,746.08 = 282,158.24 : x
  2. Step 2: Convert to fraction form
    508,513.28/701,746.08 = 282,158.24/x
  3. Step 3: Cross multiply
    508,513.28x = 701,746.08 × 282,158.24
  4. Step 4: Simplify right side
    508,513.28x = 198,003,438,859.70
  5. Step 5: Solve for x
    x = 198,003,438,859.70/508,513.28
  6. Step 6: Final answer
    x = 389,377.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.