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Finding the Fourth Proportional to 529,191.66, 730,587.24 and 348,428.58

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Solution

The fourth proportional to 529,191.66, 730,587.24 and 348,428.58 is: 481,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,191.66 : 730,587.24 = 348,428.58 : x
  2. Step 2: Convert to fraction form
    529,191.66/730,587.24 = 348,428.58/x
  3. Step 3: Cross multiply
    529,191.66x = 730,587.24 × 348,428.58
  4. Step 4: Simplify right side
    529,191.66x = 254,557,474,599.32
  5. Step 5: Solve for x
    x = 254,557,474,599.32/529,191.66
  6. Step 6: Final answer
    x = 481,030.78

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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.