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Finding the Fourth Proportional to 372,957.40, 558,777.30 and 360,623.80

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Solution

The fourth proportional to 372,957.40, 558,777.30 and 360,623.80 is: 540,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,957.40 : 558,777.30 = 360,623.80 : x
  2. Step 2: Convert to fraction form
    372,957.40/558,777.30 = 360,623.80/x
  3. Step 3: Cross multiply
    372,957.40x = 558,777.30 × 360,623.80
  4. Step 4: Simplify right side
    372,957.40x = 201,508,393,279.74
  5. Step 5: Solve for x
    x = 201,508,393,279.74/372,957.40
  6. Step 6: Final answer
    x = 540,298.69

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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.