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Finding the Fourth Proportional to 369,149.40, 553,724.10 and 369,149.40

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Solution

The fourth proportional to 369,149.40, 553,724.10 and 369,149.40 is: 553,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,149.40 : 553,724.10 = 369,149.40 : x
  2. Step 2: Convert to fraction form
    369,149.40/553,724.10 = 369,149.40/x
  3. Step 3: Cross multiply
    369,149.40x = 553,724.10 × 369,149.40
  4. Step 4: Simplify right side
    369,149.40x = 204,406,919,280.54
  5. Step 5: Solve for x
    x = 204,406,919,280.54/369,149.40
  6. Step 6: Final answer
    x = 553,724.10

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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.