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Finding the Fourth Proportional to 532,032.40, 734,221.01 and 302,622.78

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Solution

The fourth proportional to 532,032.40, 734,221.01 and 302,622.78 is: 417,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,032.40 : 734,221.01 = 302,622.78 : x
  2. Step 2: Convert to fraction form
    532,032.40/734,221.01 = 302,622.78/x
  3. Step 3: Cross multiply
    532,032.40x = 734,221.01 × 302,622.78
  4. Step 4: Simplify right side
    532,032.40x = 222,192,004,988.24
  5. Step 5: Solve for x
    x = 222,192,004,988.24/532,032.40
  6. Step 6: Final answer
    x = 417,628.71

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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.