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Finding the Fourth Proportional to 548,589.60, 824,266.80 and 349,005.60

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Solution

The fourth proportional to 548,589.60, 824,266.80 and 349,005.60 is: 524,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,589.60 : 824,266.80 = 349,005.60 : x
  2. Step 2: Convert to fraction form
    548,589.60/824,266.80 = 349,005.60/x
  3. Step 3: Cross multiply
    548,589.60x = 824,266.80 × 349,005.60
  4. Step 4: Simplify right side
    548,589.60x = 287,673,729,094.08
  5. Step 5: Solve for x
    x = 287,673,729,094.08/548,589.60
  6. Step 6: Final answer
    x = 524,387.86

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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.