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Finding the Fourth Proportional to 395,029.20, 592,543.80 and 237,176.40

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Solution

The fourth proportional to 395,029.20, 592,543.80 and 237,176.40 is: 355,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,029.20 : 592,543.80 = 237,176.40 : x
  2. Step 2: Convert to fraction form
    395,029.20/592,543.80 = 237,176.40/x
  3. Step 3: Cross multiply
    395,029.20x = 592,543.80 × 237,176.40
  4. Step 4: Simplify right side
    395,029.20x = 140,537,405,326.32
  5. Step 5: Solve for x
    x = 140,537,405,326.32/395,029.20
  6. Step 6: Final answer
    x = 355,764.60

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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.