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Finding the Fourth Proportional to 453,320.68, 679,973.34 and 157,825

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Solution

The fourth proportional to 453,320.68, 679,973.34 and 157,825 is: 236,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,320.68 : 679,973.34 = 157,825 : x
  2. Step 2: Convert to fraction form
    453,320.68/679,973.34 = 157,825/x
  3. Step 3: Cross multiply
    453,320.68x = 679,973.34 × 157,825
  4. Step 4: Simplify right side
    453,320.68x = 107,316,792,385.50
  5. Step 5: Solve for x
    x = 107,316,792,385.50/453,320.68
  6. Step 6: Final answer
    x = 236,734.83

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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.