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Finding the Fourth Proportional to 1,065,685.04, 1,599,158 and 392,239.32

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Solution

The fourth proportional to 1,065,685.04, 1,599,158 and 392,239.32 is: 588,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,685.04 : 1,599,158 = 392,239.32 : x
  2. Step 2: Convert to fraction form
    1,065,685.04/1,599,158 = 392,239.32/x
  3. Step 3: Cross multiply
    1,065,685.04x = 1,599,158 × 392,239.32
  4. Step 4: Simplify right side
    1,065,685.04x = 627,252,646,492.56
  5. Step 5: Solve for x
    x = 627,252,646,492.56/1,065,685.04
  6. Step 6: Final answer
    x = 588,591.02

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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.