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Finding the Fourth Proportional to 894,414.48, 1,234,319.56 and 486,546

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Solution

The fourth proportional to 894,414.48, 1,234,319.56 and 486,546 is: 671,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,414.48 : 1,234,319.56 = 486,546 : x
  2. Step 2: Convert to fraction form
    894,414.48/1,234,319.56 = 486,546/x
  3. Step 3: Cross multiply
    894,414.48x = 1,234,319.56 × 486,546
  4. Step 4: Simplify right side
    894,414.48x = 600,553,244,639.76
  5. Step 5: Solve for x
    x = 600,553,244,639.76/894,414.48
  6. Step 6: Final answer
    x = 671,448.48

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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.