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Finding the Fourth Proportional to 579,569.29, 868,740.35 and 194,952

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Solution

The fourth proportional to 579,569.29, 868,740.35 and 194,952 is: 292,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,569.29 : 868,740.35 = 194,952 : x
  2. Step 2: Convert to fraction form
    579,569.29/868,740.35 = 194,952/x
  3. Step 3: Cross multiply
    579,569.29x = 868,740.35 × 194,952
  4. Step 4: Simplify right side
    579,569.29x = 169,362,668,713.20
  5. Step 5: Solve for x
    x = 169,362,668,713.20/579,569.29
  6. Step 6: Final answer
    x = 292,221.61

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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.