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Finding the Fourth Proportional to 369,082.72, 553,624.40 and 264,106.72

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Solution

The fourth proportional to 369,082.72, 553,624.40 and 264,106.72 is: 396,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,082.72 : 553,624.40 = 264,106.72 : x
  2. Step 2: Convert to fraction form
    369,082.72/553,624.40 = 264,106.72/x
  3. Step 3: Cross multiply
    369,082.72x = 553,624.40 × 264,106.72
  4. Step 4: Simplify right side
    369,082.72x = 146,215,924,395.97
  5. Step 5: Solve for x
    x = 146,215,924,395.97/369,082.72
  6. Step 6: Final answer
    x = 396,160.31

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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.