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Finding the Fourth Proportional to 575,818.20, 863,468.10 and 260,112.60

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Solution

The fourth proportional to 575,818.20, 863,468.10 and 260,112.60 is: 390,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,818.20 : 863,468.10 = 260,112.60 : x
  2. Step 2: Convert to fraction form
    575,818.20/863,468.10 = 260,112.60/x
  3. Step 3: Cross multiply
    575,818.20x = 863,468.10 × 260,112.60
  4. Step 4: Simplify right side
    575,818.20x = 224,598,932,508.06
  5. Step 5: Solve for x
    x = 224,598,932,508.06/575,818.20
  6. Step 6: Final answer
    x = 390,051.81

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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.