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Finding the Fourth Proportional to 432,023.20, 648,034.80 and 362,039.20

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Solution

The fourth proportional to 432,023.20, 648,034.80 and 362,039.20 is: 543,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,023.20 : 648,034.80 = 362,039.20 : x
  2. Step 2: Convert to fraction form
    432,023.20/648,034.80 = 362,039.20/x
  3. Step 3: Cross multiply
    432,023.20x = 648,034.80 × 362,039.20
  4. Step 4: Simplify right side
    432,023.20x = 234,614,000,564.16
  5. Step 5: Solve for x
    x = 234,614,000,564.16/432,023.20
  6. Step 6: Final answer
    x = 543,058.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.