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Finding the Fourth Proportional to 575,607.20, 863,410.80 and 181,623.20

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Solution

The fourth proportional to 575,607.20, 863,410.80 and 181,623.20 is: 272,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,607.20 : 863,410.80 = 181,623.20 : x
  2. Step 2: Convert to fraction form
    575,607.20/863,410.80 = 181,623.20/x
  3. Step 3: Cross multiply
    575,607.20x = 863,410.80 × 181,623.20
  4. Step 4: Simplify right side
    575,607.20x = 156,815,432,410.56
  5. Step 5: Solve for x
    x = 156,815,432,410.56/575,607.20
  6. Step 6: Final answer
    x = 272,434.80

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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.