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Finding the Fourth Proportional to 535,726.08, 803,609.12 and 136,376.16

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Solution

The fourth proportional to 535,726.08, 803,609.12 and 136,376.16 is: 204,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,726.08 : 803,609.12 = 136,376.16 : x
  2. Step 2: Convert to fraction form
    535,726.08/803,609.12 = 136,376.16/x
  3. Step 3: Cross multiply
    535,726.08x = 803,609.12 × 136,376.16
  4. Step 4: Simplify right side
    535,726.08x = 109,593,125,926.58
  5. Step 5: Solve for x
    x = 109,593,125,926.58/535,726.08
  6. Step 6: Final answer
    x = 204,569.33

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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.