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Finding the Fourth Proportional to 526,515.60, 789,773.40 and 302,566.80

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Solution

The fourth proportional to 526,515.60, 789,773.40 and 302,566.80 is: 453,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,515.60 : 789,773.40 = 302,566.80 : x
  2. Step 2: Convert to fraction form
    526,515.60/789,773.40 = 302,566.80/x
  3. Step 3: Cross multiply
    526,515.60x = 789,773.40 × 302,566.80
  4. Step 4: Simplify right side
    526,515.60x = 238,959,210,363.12
  5. Step 5: Solve for x
    x = 238,959,210,363.12/526,515.60
  6. Step 6: Final answer
    x = 453,850.20

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Similar ratio
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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.