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Finding the Fourth Proportional to 453,365.69, 680,023.94 and 137,798.00

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Solution

The fourth proportional to 453,365.69, 680,023.94 and 137,798.00 is: 206,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,365.69 : 680,023.94 = 137,798.00 : x
  2. Step 2: Convert to fraction form
    453,365.69/680,023.94 = 137,798.00/x
  3. Step 3: Cross multiply
    453,365.69x = 680,023.94 × 137,798.00
  4. Step 4: Simplify right side
    453,365.69x = 93,705,935,484.00
  5. Step 5: Solve for x
    x = 93,705,935,484.00/453,365.69
  6. Step 6: Final answer
    x = 206,689.52

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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.