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Finding the Fourth Proportional to 658,046.70, 987,070.05 and 597,029.40

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Solution

The fourth proportional to 658,046.70, 987,070.05 and 597,029.40 is: 895,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,046.70 : 987,070.05 = 597,029.40 : x
  2. Step 2: Convert to fraction form
    658,046.70/987,070.05 = 597,029.40/x
  3. Step 3: Cross multiply
    658,046.70x = 987,070.05 × 597,029.40
  4. Step 4: Simplify right side
    658,046.70x = 589,309,839,709.47
  5. Step 5: Solve for x
    x = 589,309,839,709.47/658,046.70
  6. Step 6: Final answer
    x = 895,544.10

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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.