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Finding the Fourth Proportional to 453,045.22, 679,571.85 and 137,502.07

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Solution

The fourth proportional to 453,045.22, 679,571.85 and 137,502.07 is: 206,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,045.22 : 679,571.85 = 137,502.07 : x
  2. Step 2: Convert to fraction form
    453,045.22/679,571.85 = 137,502.07/x
  3. Step 3: Cross multiply
    453,045.22x = 679,571.85 × 137,502.07
  4. Step 4: Simplify right side
    453,045.22x = 93,442,536,088.73
  5. Step 5: Solve for x
    x = 93,442,536,088.73/453,045.22
  6. Step 6: Final answer
    x = 206,254.33

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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.