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Finding the Fourth Proportional to 532,570.68, 734,850.14 and 303,114.40

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Solution

The fourth proportional to 532,570.68, 734,850.14 and 303,114.40 is: 418,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,570.68 : 734,850.14 = 303,114.40 : x
  2. Step 2: Convert to fraction form
    532,570.68/734,850.14 = 303,114.40/x
  3. Step 3: Cross multiply
    532,570.68x = 734,850.14 × 303,114.40
  4. Step 4: Simplify right side
    532,570.68x = 222,743,659,276.02
  5. Step 5: Solve for x
    x = 222,743,659,276.02/532,570.68
  6. Step 6: Final answer
    x = 418,242.44

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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.