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Finding the Fourth Proportional to 526,523.70, 789,785.55 and 461,569.80

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Solution

The fourth proportional to 526,523.70, 789,785.55 and 461,569.80 is: 692,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,523.70 : 789,785.55 = 461,569.80 : x
  2. Step 2: Convert to fraction form
    526,523.70/789,785.55 = 461,569.80/x
  3. Step 3: Cross multiply
    526,523.70x = 789,785.55 × 461,569.80
  4. Step 4: Simplify right side
    526,523.70x = 364,541,158,356.39
  5. Step 5: Solve for x
    x = 364,541,158,356.39/526,523.70
  6. Step 6: Final answer
    x = 692,354.70

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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.