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Finding the Fourth Proportional to 477,625.70, 716,438.55 and 459,254.90

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Solution

The fourth proportional to 477,625.70, 716,438.55 and 459,254.90 is: 688,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,625.70 : 716,438.55 = 459,254.90 : x
  2. Step 2: Convert to fraction form
    477,625.70/716,438.55 = 459,254.90/x
  3. Step 3: Cross multiply
    477,625.70x = 716,438.55 × 459,254.90
  4. Step 4: Simplify right side
    477,625.70x = 329,027,914,636.40
  5. Step 5: Solve for x
    x = 329,027,914,636.40/477,625.70
  6. Step 6: Final answer
    x = 688,882.35

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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.