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Finding the Fourth Proportional to 933,253, 1,288,287.23 and 627,506.60

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Solution

The fourth proportional to 933,253, 1,288,287.23 and 627,506.60 is: 866,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,253 : 1,288,287.23 = 627,506.60 : x
  2. Step 2: Convert to fraction form
    933,253/1,288,287.23 = 627,506.60/x
  3. Step 3: Cross multiply
    933,253x = 1,288,287.23 × 627,506.60
  4. Step 4: Simplify right side
    933,253x = 808,408,739,520.72
  5. Step 5: Solve for x
    x = 808,408,739,520.72/933,253
  6. Step 6: Final answer
    x = 866,226.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.