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Finding the Fourth Proportional to 330,652.13, 456,300.54 and 187,425.50

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Solution

The fourth proportional to 330,652.13, 456,300.54 and 187,425.50 is: 258,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,652.13 : 456,300.54 = 187,425.50 : x
  2. Step 2: Convert to fraction form
    330,652.13/456,300.54 = 187,425.50/x
  3. Step 3: Cross multiply
    330,652.13x = 456,300.54 × 187,425.50
  4. Step 4: Simplify right side
    330,652.13x = 85,522,354,578.27
  5. Step 5: Solve for x
    x = 85,522,354,578.27/330,652.13
  6. Step 6: Final answer
    x = 258,647.53

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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.