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Finding the Fourth Proportional to 483,937.72, 667,655.58 and 292,881.40

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Solution

The fourth proportional to 483,937.72, 667,655.58 and 292,881.40 is: 404,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,937.72 : 667,655.58 = 292,881.40 : x
  2. Step 2: Convert to fraction form
    483,937.72/667,655.58 = 292,881.40/x
  3. Step 3: Cross multiply
    483,937.72x = 667,655.58 × 292,881.40
  4. Step 4: Simplify right side
    483,937.72x = 195,543,900,988.21
  5. Step 5: Solve for x
    x = 195,543,900,988.21/483,937.72
  6. Step 6: Final answer
    x = 404,068.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.