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Finding the Fourth Proportional to 534,001.59, 800,877.79 and 154,820.55

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Solution

The fourth proportional to 534,001.59, 800,877.79 and 154,820.55 is: 232,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,001.59 : 800,877.79 = 154,820.55 : x
  2. Step 2: Convert to fraction form
    534,001.59/800,877.79 = 154,820.55/x
  3. Step 3: Cross multiply
    534,001.59x = 800,877.79 × 154,820.55
  4. Step 4: Simplify right side
    534,001.59x = 123,992,343,127.40
  5. Step 5: Solve for x
    x = 123,992,343,127.40/534,001.59
  6. Step 6: Final answer
    x = 232,194.71

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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.