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Finding the Fourth Proportional to 529,094.35, 730,129.46 and 314,228.89

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Solution

The fourth proportional to 529,094.35, 730,129.46 and 314,228.89 is: 433,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,094.35 : 730,129.46 = 314,228.89 : x
  2. Step 2: Convert to fraction form
    529,094.35/730,129.46 = 314,228.89/x
  3. Step 3: Cross multiply
    529,094.35x = 730,129.46 × 314,228.89
  4. Step 4: Simplify right side
    529,094.35x = 229,427,766,121.45
  5. Step 5: Solve for x
    x = 229,427,766,121.45/529,094.35
  6. Step 6: Final answer
    x = 433,623.55

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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.