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Finding the Fourth Proportional to 395,363.60, 593,045.40 and 366,203.60

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Solution

The fourth proportional to 395,363.60, 593,045.40 and 366,203.60 is: 549,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,363.60 : 593,045.40 = 366,203.60 : x
  2. Step 2: Convert to fraction form
    395,363.60/593,045.40 = 366,203.60/x
  3. Step 3: Cross multiply
    395,363.60x = 593,045.40 × 366,203.60
  4. Step 4: Simplify right side
    395,363.60x = 217,175,360,443.44
  5. Step 5: Solve for x
    x = 217,175,360,443.44/395,363.60
  6. Step 6: Final answer
    x = 549,305.40

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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.