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Finding the Fourth Proportional to 474,152.32, 654,031.02 and 330,860.08

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Solution

The fourth proportional to 474,152.32, 654,031.02 and 330,860.08 is: 456,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,152.32 : 654,031.02 = 330,860.08 : x
  2. Step 2: Convert to fraction form
    474,152.32/654,031.02 = 330,860.08/x
  3. Step 3: Cross multiply
    474,152.32x = 654,031.02 × 330,860.08
  4. Step 4: Simplify right side
    474,152.32x = 216,392,755,599.68
  5. Step 5: Solve for x
    x = 216,392,755,599.68/474,152.32
  6. Step 6: Final answer
    x = 456,378.14

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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.