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Finding the Fourth Proportional to 526,363.59, 789,538.05 and 127,001.01

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Solution

The fourth proportional to 526,363.59, 789,538.05 and 127,001.01 is: 190,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,363.59 : 789,538.05 = 127,001.01 : x
  2. Step 2: Convert to fraction form
    526,363.59/789,538.05 = 127,001.01/x
  3. Step 3: Cross multiply
    526,363.59x = 789,538.05 × 127,001.01
  4. Step 4: Simplify right side
    526,363.59x = 100,272,129,783.43
  5. Step 5: Solve for x
    x = 100,272,129,783.43/526,363.59
  6. Step 6: Final answer
    x = 190,499.75

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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.