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Finding the Fourth Proportional to 575,050.40, 862,575.60 and 260,122.40

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Solution

The fourth proportional to 575,050.40, 862,575.60 and 260,122.40 is: 390,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,050.40 : 862,575.60 = 260,122.40 : x
  2. Step 2: Convert to fraction form
    575,050.40/862,575.60 = 260,122.40/x
  3. Step 3: Cross multiply
    575,050.40x = 862,575.60 × 260,122.40
  4. Step 4: Simplify right side
    575,050.40x = 224,375,235,253.44
  5. Step 5: Solve for x
    x = 224,375,235,253.44/575,050.40
  6. Step 6: Final answer
    x = 390,183.60

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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.