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Finding the Fourth Proportional to 372,977.20, 558,153.60 and 341,484.40

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Solution

The fourth proportional to 372,977.20, 558,153.60 and 341,484.40 is: 511,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,977.20 : 558,153.60 = 341,484.40 : x
  2. Step 2: Convert to fraction form
    372,977.20/558,153.60 = 341,484.40/x
  3. Step 3: Cross multiply
    372,977.20x = 558,153.60 × 341,484.40
  4. Step 4: Simplify right side
    372,977.20x = 190,600,747,203.84
  5. Step 5: Solve for x
    x = 190,600,747,203.84/372,977.20
  6. Step 6: Final answer
    x = 511,025.20

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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.