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Finding the Fourth Proportional to 477,617.70, 716,426.55 and 459,246.90

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Solution

The fourth proportional to 477,617.70, 716,426.55 and 459,246.90 is: 688,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,617.70 : 716,426.55 = 459,246.90 : x
  2. Step 2: Convert to fraction form
    477,617.70/716,426.55 = 459,246.90/x
  3. Step 3: Cross multiply
    477,617.70x = 716,426.55 × 459,246.90
  4. Step 4: Simplify right side
    477,617.70x = 329,016,672,165.20
  5. Step 5: Solve for x
    x = 329,016,672,165.20/477,617.70
  6. Step 6: Final answer
    x = 688,870.35

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Similar ratio
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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.