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Finding the Fourth Proportional to 666,570.40, 996,939.60 and 596,003.20

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Solution

The fourth proportional to 666,570.40, 996,939.60 and 596,003.20 is: 891,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,570.40 : 996,939.60 = 596,003.20 : x
  2. Step 2: Convert to fraction form
    666,570.40/996,939.60 = 596,003.20/x
  3. Step 3: Cross multiply
    666,570.40x = 996,939.60 × 596,003.20
  4. Step 4: Simplify right side
    666,570.40x = 594,179,191,806.72
  5. Step 5: Solve for x
    x = 594,179,191,806.72/666,570.40
  6. Step 6: Final answer
    x = 891,397.51

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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.