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Finding the Fourth Proportional to 532,388.04, 734,711.57 and 302,978.24

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Solution

The fourth proportional to 532,388.04, 734,711.57 and 302,978.24 is: 418,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,388.04 : 734,711.57 = 302,978.24 : x
  2. Step 2: Convert to fraction form
    532,388.04/734,711.57 = 302,978.24/x
  3. Step 3: Cross multiply
    532,388.04x = 734,711.57 × 302,978.24
  4. Step 4: Simplify right side
    532,388.04x = 222,601,613,197.79
  5. Step 5: Solve for x
    x = 222,601,613,197.79/532,388.04
  6. Step 6: Final answer
    x = 418,119.11

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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.