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Finding the Fourth Proportional to 526,062.69, 789,210.96 and 245,426.85

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Solution

The fourth proportional to 526,062.69, 789,210.96 and 245,426.85 is: 368,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,062.69 : 789,210.96 = 245,426.85 : x
  2. Step 2: Convert to fraction form
    526,062.69/789,210.96 = 245,426.85/x
  3. Step 3: Cross multiply
    526,062.69x = 789,210.96 × 245,426.85
  4. Step 4: Simplify right side
    526,062.69x = 193,693,559,898.28
  5. Step 5: Solve for x
    x = 193,693,559,898.28/526,062.69
  6. Step 6: Final answer
    x = 368,194.82

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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.