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Finding the Fourth Proportional to 395,417.70, 593,126.55 and 377,046.90

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Solution

The fourth proportional to 395,417.70, 593,126.55 and 377,046.90 is: 565,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,417.70 : 593,126.55 = 377,046.90 : x
  2. Step 2: Convert to fraction form
    395,417.70/593,126.55 = 377,046.90/x
  3. Step 3: Cross multiply
    395,417.70x = 593,126.55 × 377,046.90
  4. Step 4: Simplify right side
    395,417.70x = 223,636,526,985.20
  5. Step 5: Solve for x
    x = 223,636,526,985.20/395,417.70
  6. Step 6: Final answer
    x = 565,570.35

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Similar ratio
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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.