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Finding the Fourth Proportional to 596,145.39, 822,891.87 and 354,426.72

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Solution

The fourth proportional to 596,145.39, 822,891.87 and 354,426.72 is: 489,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,145.39 : 822,891.87 = 354,426.72 : x
  2. Step 2: Convert to fraction form
    596,145.39/822,891.87 = 354,426.72/x
  3. Step 3: Cross multiply
    596,145.39x = 822,891.87 × 354,426.72
  4. Step 4: Simplify right side
    596,145.39x = 291,654,866,398.77
  5. Step 5: Solve for x
    x = 291,654,866,398.77/596,145.39
  6. Step 6: Final answer
    x = 489,234.46

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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.