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Finding the Fourth Proportional to 532,393.85, 734,719.67 and 302,984.10

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Solution

The fourth proportional to 532,393.85, 734,719.67 and 302,984.10 is: 418,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,393.85 : 734,719.67 = 302,984.10 : x
  2. Step 2: Convert to fraction form
    532,393.85/734,719.67 = 302,984.10/x
  3. Step 3: Cross multiply
    532,393.85x = 734,719.67 × 302,984.10
  4. Step 4: Simplify right side
    532,393.85x = 222,608,376,452.33
  5. Step 5: Solve for x
    x = 222,608,376,452.33/532,393.85
  6. Step 6: Final answer
    x = 418,127.25

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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.