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Finding the Fourth Proportional to 372,968.40, 558,793.80 and 360,634.80

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Solution

The fourth proportional to 372,968.40, 558,793.80 and 360,634.80 is: 540,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,968.40 : 558,793.80 = 360,634.80 : x
  2. Step 2: Convert to fraction form
    372,968.40/558,793.80 = 360,634.80/x
  3. Step 3: Cross multiply
    372,968.40x = 558,793.80 × 360,634.80
  4. Step 4: Simplify right side
    372,968.40x = 201,520,490,304.24
  5. Step 5: Solve for x
    x = 201,520,490,304.24/372,968.40
  6. Step 6: Final answer
    x = 540,315.19

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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.