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Finding the Fourth Proportional to 529,094.56, 730,152.58 and 287,381.17

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Solution

The fourth proportional to 529,094.56, 730,152.58 and 287,381.17 is: 396,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,094.56 : 730,152.58 = 287,381.17 : x
  2. Step 2: Convert to fraction form
    529,094.56/730,152.58 = 287,381.17/x
  3. Step 3: Cross multiply
    529,094.56x = 730,152.58 × 287,381.17
  4. Step 4: Simplify right side
    529,094.56x = 209,832,099,344.89
  5. Step 5: Solve for x
    x = 209,832,099,344.89/529,094.56
  6. Step 6: Final answer
    x = 396,587.14

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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.