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Finding the Fourth Proportional to 446,663.70, 669,801.56 and 162,259.74

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Solution

The fourth proportional to 446,663.70, 669,801.56 and 162,259.74 is: 243,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,663.70 : 669,801.56 = 162,259.74 : x
  2. Step 2: Convert to fraction form
    446,663.70/669,801.56 = 162,259.74/x
  3. Step 3: Cross multiply
    446,663.70x = 669,801.56 × 162,259.74
  4. Step 4: Simplify right side
    446,663.70x = 108,681,826,165.90
  5. Step 5: Solve for x
    x = 108,681,826,165.90/446,663.70
  6. Step 6: Final answer
    x = 243,319.14

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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.