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Finding the Fourth Proportional to 630,158.40, 944,373.60 and 404,827.20

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Solution

The fourth proportional to 630,158.40, 944,373.60 and 404,827.20 is: 606,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,158.40 : 944,373.60 = 404,827.20 : x
  2. Step 2: Convert to fraction form
    630,158.40/944,373.60 = 404,827.20/x
  3. Step 3: Cross multiply
    630,158.40x = 944,373.60 × 404,827.20
  4. Step 4: Simplify right side
    630,158.40x = 382,308,120,241.92
  5. Step 5: Solve for x
    x = 382,308,120,241.92/630,158.40
  6. Step 6: Final answer
    x = 606,685.75

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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.