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Finding the Fourth Proportional to 625,323.97, 937,979.04 and 152,009.79

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Solution

The fourth proportional to 625,323.97, 937,979.04 and 152,009.79 is: 228,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,323.97 : 937,979.04 = 152,009.79 : x
  2. Step 2: Convert to fraction form
    625,323.97/937,979.04 = 152,009.79/x
  3. Step 3: Cross multiply
    625,323.97x = 937,979.04 × 152,009.79
  4. Step 4: Simplify right side
    625,323.97x = 142,581,994,549.85
  5. Step 5: Solve for x
    x = 142,581,994,549.85/625,323.97
  6. Step 6: Final answer
    x = 228,013.00

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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.