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Finding the Fourth Proportional to 933,252, 1,288,285.85 and 627,505.60

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Solution

The fourth proportional to 933,252, 1,288,285.85 and 627,505.60 is: 866,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,252 : 1,288,285.85 = 627,505.60 : x
  2. Step 2: Convert to fraction form
    933,252/1,288,285.85 = 627,505.60/x
  3. Step 3: Cross multiply
    933,252x = 1,288,285.85 × 627,505.60
  4. Step 4: Simplify right side
    933,252x = 808,406,585,275.76
  5. Step 5: Solve for x
    x = 808,406,585,275.76/933,252
  6. Step 6: Final answer
    x = 866,225.40

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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.