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Finding the Fourth Proportional to 532,837.92, 735,293.52 and 291,116.64

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Solution

The fourth proportional to 532,837.92, 735,293.52 and 291,116.64 is: 401,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,837.92 : 735,293.52 = 291,116.64 : x
  2. Step 2: Convert to fraction form
    532,837.92/735,293.52 = 291,116.64/x
  3. Step 3: Cross multiply
    532,837.92x = 735,293.52 × 291,116.64
  4. Step 4: Simplify right side
    532,837.92x = 214,056,178,956.17
  5. Step 5: Solve for x
    x = 214,056,178,956.17/532,837.92
  6. Step 6: Final answer
    x = 401,728.50

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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.