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Finding the Fourth Proportional to 665,199.44, 999,001.80 and 614,543.92

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Solution

The fourth proportional to 665,199.44, 999,001.80 and 614,543.92 is: 922,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,199.44 : 999,001.80 = 614,543.92 : x
  2. Step 2: Convert to fraction form
    665,199.44/999,001.80 = 614,543.92/x
  3. Step 3: Cross multiply
    665,199.44x = 999,001.80 × 614,543.92
  4. Step 4: Simplify right side
    665,199.44x = 613,930,482,259.06
  5. Step 5: Solve for x
    x = 613,930,482,259.06/665,199.44
  6. Step 6: Final answer
    x = 922,926.94

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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.