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Finding the Fourth Proportional to 440,321.92, 607,830.26 and 297,275.72

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Solution

The fourth proportional to 440,321.92, 607,830.26 and 297,275.72 is: 410,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,321.92 : 607,830.26 = 297,275.72 : x
  2. Step 2: Convert to fraction form
    440,321.92/607,830.26 = 297,275.72/x
  3. Step 3: Cross multiply
    440,321.92x = 607,830.26 × 297,275.72
  4. Step 4: Simplify right side
    440,321.92x = 180,693,178,179.29
  5. Step 5: Solve for x
    x = 180,693,178,179.29/440,321.92
  6. Step 6: Final answer
    x = 410,366.08

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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.