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Finding the Fourth Proportional to 372,184.40, 558,276.60 and 334,859.60

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Solution

The fourth proportional to 372,184.40, 558,276.60 and 334,859.60 is: 502,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,184.40 : 558,276.60 = 334,859.60 : x
  2. Step 2: Convert to fraction form
    372,184.40/558,276.60 = 334,859.60/x
  3. Step 3: Cross multiply
    372,184.40x = 558,276.60 × 334,859.60
  4. Step 4: Simplify right side
    372,184.40x = 186,944,278,965.36
  5. Step 5: Solve for x
    x = 186,944,278,965.36/372,184.40
  6. Step 6: Final answer
    x = 502,289.40

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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.