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Finding the Fourth Proportional to 610,358.67, 842,290.88 and 338,426.73

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Solution

The fourth proportional to 610,358.67, 842,290.88 and 338,426.73 is: 467,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,358.67 : 842,290.88 = 338,426.73 : x
  2. Step 2: Convert to fraction form
    610,358.67/842,290.88 = 338,426.73/x
  3. Step 3: Cross multiply
    610,358.67x = 842,290.88 × 338,426.73
  4. Step 4: Simplify right side
    610,358.67x = 285,053,746,535.09
  5. Step 5: Solve for x
    x = 285,053,746,535.09/610,358.67
  6. Step 6: Final answer
    x = 467,026.62

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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.