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Finding the Fourth Proportional to 559,841.10, 839,761.62 and 185,864.10

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Solution

The fourth proportional to 559,841.10, 839,761.62 and 185,864.10 is: 278,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,841.10 : 839,761.62 = 185,864.10 : x
  2. Step 2: Convert to fraction form
    559,841.10/839,761.62 = 185,864.10/x
  3. Step 3: Cross multiply
    559,841.10x = 839,761.62 × 185,864.10
  4. Step 4: Simplify right side
    559,841.10x = 156,081,537,715.84
  5. Step 5: Solve for x
    x = 156,081,537,715.84/559,841.10
  6. Step 6: Final answer
    x = 278,796.14

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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.