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Finding the Fourth Proportional to 527,881.20, 741,133.20 and 527,881.20

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Solution

The fourth proportional to 527,881.20, 741,133.20 and 527,881.20 is: 741,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,881.20 : 741,133.20 = 527,881.20 : x
  2. Step 2: Convert to fraction form
    527,881.20/741,133.20 = 527,881.20/x
  3. Step 3: Cross multiply
    527,881.20x = 741,133.20 × 527,881.20
  4. Step 4: Simplify right side
    527,881.20x = 391,230,282,975.84
  5. Step 5: Solve for x
    x = 391,230,282,975.84/527,881.20
  6. Step 6: Final answer
    x = 741,133.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.