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Finding the Fourth Proportional to 416,031.49, 574,123.04 and 225,044.43

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Solution

The fourth proportional to 416,031.49, 574,123.04 and 225,044.43 is: 310,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,031.49 : 574,123.04 = 225,044.43 : x
  2. Step 2: Convert to fraction form
    416,031.49/574,123.04 = 225,044.43/x
  3. Step 3: Cross multiply
    416,031.49x = 574,123.04 × 225,044.43
  4. Step 4: Simplify right side
    416,031.49x = 129,203,189,852.40
  5. Step 5: Solve for x
    x = 129,203,189,852.40/416,031.49
  6. Step 6: Final answer
    x = 310,561.08

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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.