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Finding the Fourth Proportional to 576,459.22, 866,001 and 417,026.92

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Solution

The fourth proportional to 576,459.22, 866,001 and 417,026.92 is: 626,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,459.22 : 866,001 = 417,026.92 : x
  2. Step 2: Convert to fraction form
    576,459.22/866,001 = 417,026.92/x
  3. Step 3: Cross multiply
    576,459.22x = 866,001 × 417,026.92
  4. Step 4: Simplify right side
    576,459.22x = 361,145,729,746.92
  5. Step 5: Solve for x
    x = 361,145,729,746.92/576,459.22
  6. Step 6: Final answer
    x = 626,489.64

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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.