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Finding the Fourth Proportional to 462,345.60, 693,455.67 and 125,407.92

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Solution

The fourth proportional to 462,345.60, 693,455.67 and 125,407.92 is: 188,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,345.60 : 693,455.67 = 125,407.92 : x
  2. Step 2: Convert to fraction form
    462,345.60/693,455.67 = 125,407.92/x
  3. Step 3: Cross multiply
    462,345.60x = 693,455.67 × 125,407.92
  4. Step 4: Simplify right side
    462,345.60x = 86,964,833,186.91
  5. Step 5: Solve for x
    x = 86,964,833,186.91/462,345.60
  6. Step 6: Final answer
    x = 188,094.86

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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.