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Finding the Fourth Proportional to 661,737.57, 992,606.45 and 163,101.57

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Solution

The fourth proportional to 661,737.57, 992,606.45 and 163,101.57 is: 244,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,737.57 : 992,606.45 = 163,101.57 : x
  2. Step 2: Convert to fraction form
    661,737.57/992,606.45 = 163,101.57/x
  3. Step 3: Cross multiply
    661,737.57x = 992,606.45 × 163,101.57
  4. Step 4: Simplify right side
    661,737.57x = 161,895,670,387.13
  5. Step 5: Solve for x
    x = 161,895,670,387.13/661,737.57
  6. Step 6: Final answer
    x = 244,652.38

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1.5x scale

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.