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Finding the Fourth Proportional to 559,886.10, 839,829.15 and 185,909.10

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Solution

The fourth proportional to 559,886.10, 839,829.15 and 185,909.10 is: 278,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,886.10 : 839,829.15 = 185,909.10 : x
  2. Step 2: Convert to fraction form
    559,886.10/839,829.15 = 185,909.10/x
  3. Step 3: Cross multiply
    559,886.10x = 839,829.15 × 185,909.10
  4. Step 4: Simplify right side
    559,886.10x = 156,131,881,430.27
  5. Step 5: Solve for x
    x = 156,131,881,430.27/559,886.10
  6. Step 6: Final answer
    x = 278,863.65

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Similar ratio
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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.