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Finding the Fourth Proportional to 468,454.77, 646,466.84 and 253,594.78

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Solution

The fourth proportional to 468,454.77, 646,466.84 and 253,594.78 is: 349,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,454.77 : 646,466.84 = 253,594.78 : x
  2. Step 2: Convert to fraction form
    468,454.77/646,466.84 = 253,594.78/x
  3. Step 3: Cross multiply
    468,454.77x = 646,466.84 × 253,594.78
  4. Step 4: Simplify right side
    468,454.77x = 163,940,613,182.95
  5. Step 5: Solve for x
    x = 163,940,613,182.95/468,454.77
  6. Step 6: Final answer
    x = 349,960.39

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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.