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Finding the Fourth Proportional to 559,265.66, 838,946.88 and 154,458.02

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Solution

The fourth proportional to 559,265.66, 838,946.88 and 154,458.02 is: 231,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,265.66 : 838,946.88 = 154,458.02 : x
  2. Step 2: Convert to fraction form
    559,265.66/838,946.88 = 154,458.02/x
  3. Step 3: Cross multiply
    559,265.66x = 838,946.88 × 154,458.02
  4. Step 4: Simplify right side
    559,265.66x = 129,582,073,969.98
  5. Step 5: Solve for x
    x = 129,582,073,969.98/559,265.66
  6. Step 6: Final answer
    x = 231,700.39

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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.