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Finding the Fourth Proportional to 576,460.83, 866,003.45 and 417,028.53

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Solution

The fourth proportional to 576,460.83, 866,003.45 and 417,028.53 is: 626,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,460.83 : 866,003.45 = 417,028.53 : x
  2. Step 2: Convert to fraction form
    576,460.83/866,003.45 = 417,028.53/x
  3. Step 3: Cross multiply
    576,460.83x = 866,003.45 × 417,028.53
  4. Step 4: Simplify right side
    576,460.83x = 361,148,145,728.43
  5. Step 5: Solve for x
    x = 361,148,145,728.43/576,460.83
  6. Step 6: Final answer
    x = 626,492.08

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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.