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Finding the Fourth Proportional to 526,364.59, 789,539.55 and 127,002.01

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Solution

The fourth proportional to 526,364.59, 789,539.55 and 127,002.01 is: 190,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,364.59 : 789,539.55 = 127,002.01 : x
  2. Step 2: Convert to fraction form
    526,364.59/789,539.55 = 127,002.01/x
  3. Step 3: Cross multiply
    526,364.59x = 789,539.55 × 127,002.01
  4. Step 4: Simplify right side
    526,364.59x = 100,273,109,824.50
  5. Step 5: Solve for x
    x = 100,273,109,824.50/526,364.59
  6. Step 6: Final answer
    x = 190,501.25

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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.