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Finding the Fourth Proportional to 576,088.40, 862,577.40 and 451,672.40

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Solution

The fourth proportional to 576,088.40, 862,577.40 and 451,672.40 is: 676,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,088.40 : 862,577.40 = 451,672.40 : x
  2. Step 2: Convert to fraction form
    576,088.40/862,577.40 = 451,672.40/x
  3. Step 3: Cross multiply
    576,088.40x = 862,577.40 × 451,672.40
  4. Step 4: Simplify right side
    576,088.40x = 389,602,404,443.76
  5. Step 5: Solve for x
    x = 389,602,404,443.76/576,088.40
  6. Step 6: Final answer
    x = 676,289.27

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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.