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Finding the Fourth Proportional to 532,659.17, 735,065.28 and 290,941.89

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Solution

The fourth proportional to 532,659.17, 735,065.28 and 290,941.89 is: 401,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,659.17 : 735,065.28 = 290,941.89 : x
  2. Step 2: Convert to fraction form
    532,659.17/735,065.28 = 290,941.89/x
  3. Step 3: Cross multiply
    532,659.17x = 735,065.28 × 290,941.89
  4. Step 4: Simplify right side
    532,659.17x = 213,861,281,836.58
  5. Step 5: Solve for x
    x = 213,861,281,836.58/532,659.17
  6. Step 6: Final answer
    x = 401,497.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.