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Finding the Fourth Proportional to 343,713.60, 515,848.32 and 237,032.64

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Solution

The fourth proportional to 343,713.60, 515,848.32 and 237,032.64 is: 355,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,713.60 : 515,848.32 = 237,032.64 : x
  2. Step 2: Convert to fraction form
    343,713.60/515,848.32 = 237,032.64/x
  3. Step 3: Cross multiply
    343,713.60x = 515,848.32 × 237,032.64
  4. Step 4: Simplify right side
    343,713.60x = 122,272,889,129.17
  5. Step 5: Solve for x
    x = 122,272,889,129.17/343,713.60
  6. Step 6: Final answer
    x = 355,740.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.