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Finding the Fourth Proportional to 559,807.70, 839,711.55 and 185,830.70

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Solution

The fourth proportional to 559,807.70, 839,711.55 and 185,830.70 is: 278,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,807.70 : 839,711.55 = 185,830.70 : x
  2. Step 2: Convert to fraction form
    559,807.70/839,711.55 = 185,830.70/x
  3. Step 3: Cross multiply
    559,807.70x = 839,711.55 × 185,830.70
  4. Step 4: Simplify right side
    559,807.70x = 156,044,185,134.59
  5. Step 5: Solve for x
    x = 156,044,185,134.59/559,807.70
  6. Step 6: Final answer
    x = 278,746.05

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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.