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Finding the Fourth Proportional to 559,956.10, 839,934.15 and 550,624.90

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Solution

The fourth proportional to 559,956.10, 839,934.15 and 550,624.90 is: 825,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,956.10 : 839,934.15 = 550,624.90 : x
  2. Step 2: Convert to fraction form
    559,956.10/839,934.15 = 550,624.90/x
  3. Step 3: Cross multiply
    559,956.10x = 839,934.15 × 550,624.90
  4. Step 4: Simplify right side
    559,956.10x = 462,488,657,350.34
  5. Step 5: Solve for x
    x = 462,488,657,350.34/559,956.10
  6. Step 6: Final answer
    x = 825,937.35

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Double scale
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Similar ratio
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1.5x scale

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.