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Finding the Fourth Proportional to 559,397.84, 838,785.72 and 185,216.72

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Solution

The fourth proportional to 559,397.84, 838,785.72 and 185,216.72 is: 277,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,397.84 : 838,785.72 = 185,216.72 : x
  2. Step 2: Convert to fraction form
    559,397.84/838,785.72 = 185,216.72/x
  3. Step 3: Cross multiply
    559,397.84x = 838,785.72 × 185,216.72
  4. Step 4: Simplify right side
    559,397.84x = 155,357,139,841.24
  5. Step 5: Solve for x
    x = 155,357,139,841.24/559,397.84
  6. Step 6: Final answer
    x = 277,722.09

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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.