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Finding the Fourth Proportional to 468,267.38, 646,213.53 and 253,411.91

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Solution

The fourth proportional to 468,267.38, 646,213.53 and 253,411.91 is: 349,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,267.38 : 646,213.53 = 253,411.91 : x
  2. Step 2: Convert to fraction form
    468,267.38/646,213.53 = 253,411.91/x
  3. Step 3: Cross multiply
    468,267.38x = 646,213.53 × 253,411.91
  4. Step 4: Simplify right side
    468,267.38x = 163,758,204,905.14
  5. Step 5: Solve for x
    x = 163,758,204,905.14/468,267.38
  6. Step 6: Final answer
    x = 349,710.90

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1.5x scale

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.