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Finding the Fourth Proportional to 491,922.40, 736,717.20 and 491,922.40

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Solution

The fourth proportional to 491,922.40, 736,717.20 and 491,922.40 is: 736,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,922.40 : 736,717.20 = 491,922.40 : x
  2. Step 2: Convert to fraction form
    491,922.40/736,717.20 = 491,922.40/x
  3. Step 3: Cross multiply
    491,922.40x = 736,717.20 × 491,922.40
  4. Step 4: Simplify right side
    491,922.40x = 362,407,693,145.28
  5. Step 5: Solve for x
    x = 362,407,693,145.28/491,922.40
  6. Step 6: Final answer
    x = 736,717.20

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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.