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Finding the Fourth Proportional to 468,125.70, 646,013.52 and 253,265.64

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Solution

The fourth proportional to 468,125.70, 646,013.52 and 253,265.64 is: 349,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,125.70 : 646,013.52 = 253,265.64 : x
  2. Step 2: Convert to fraction form
    468,125.70/646,013.52 = 253,265.64/x
  3. Step 3: Cross multiply
    468,125.70x = 646,013.52 × 253,265.64
  4. Step 4: Simplify right side
    468,125.70x = 163,613,027,591.45
  5. Step 5: Solve for x
    x = 163,613,027,591.45/468,125.70
  6. Step 6: Final answer
    x = 349,506.61

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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.