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Finding the Fourth Proportional to 590,959.80, 886,446.90 and 191,597.40

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Solution

The fourth proportional to 590,959.80, 886,446.90 and 191,597.40 is: 287,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,959.80 : 886,446.90 = 191,597.40 : x
  2. Step 2: Convert to fraction form
    590,959.80/886,446.90 = 191,597.40/x
  3. Step 3: Cross multiply
    590,959.80x = 886,446.90 × 191,597.40
  4. Step 4: Simplify right side
    590,959.80x = 169,840,921,278.06
  5. Step 5: Solve for x
    x = 169,840,921,278.06/590,959.80
  6. Step 6: Final answer
    x = 287,398.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.