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Finding the Fourth Proportional to 529,076.57, 730,335.06 and 368,025.08

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Solution

The fourth proportional to 529,076.57, 730,335.06 and 368,025.08 is: 508,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,076.57 : 730,335.06 = 368,025.08 : x
  2. Step 2: Convert to fraction form
    529,076.57/730,335.06 = 368,025.08/x
  3. Step 3: Cross multiply
    529,076.57x = 730,335.06 × 368,025.08
  4. Step 4: Simplify right side
    529,076.57x = 268,781,615,231.63
  5. Step 5: Solve for x
    x = 268,781,615,231.63/529,076.57
  6. Step 6: Final answer
    x = 508,020.26

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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.