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Finding the Fourth Proportional to 484,901.10, 669,115.62 and 270,061.16

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Solution

The fourth proportional to 484,901.10, 669,115.62 and 270,061.16 is: 372,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,901.10 : 669,115.62 = 270,061.16 : x
  2. Step 2: Convert to fraction form
    484,901.10/669,115.62 = 270,061.16/x
  3. Step 3: Cross multiply
    484,901.10x = 669,115.62 × 270,061.16
  4. Step 4: Simplify right side
    484,901.10x = 180,702,137,165.74
  5. Step 5: Solve for x
    x = 180,702,137,165.74/484,901.10
  6. Step 6: Final answer
    x = 372,657.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.