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Finding the Fourth Proportional to 495,457.92, 683,614.80 and 291,517.74

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Solution

The fourth proportional to 495,457.92, 683,614.80 and 291,517.74 is: 402,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,457.92 : 683,614.80 = 291,517.74 : x
  2. Step 2: Convert to fraction form
    495,457.92/683,614.80 = 291,517.74/x
  3. Step 3: Cross multiply
    495,457.92x = 683,614.80 × 291,517.74
  4. Step 4: Simplify right side
    495,457.92x = 199,285,841,526.55
  5. Step 5: Solve for x
    x = 199,285,841,526.55/495,457.92
  6. Step 6: Final answer
    x = 402,225.56

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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.