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Finding the Fourth Proportional to 579,646.80, 869,621.40 and 224,672.40

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Solution

The fourth proportional to 579,646.80, 869,621.40 and 224,672.40 is: 337,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,646.80 : 869,621.40 = 224,672.40 : x
  2. Step 2: Convert to fraction form
    579,646.80/869,621.40 = 224,672.40/x
  3. Step 3: Cross multiply
    579,646.80x = 869,621.40 × 224,672.40
  4. Step 4: Simplify right side
    579,646.80x = 195,379,927,029.36
  5. Step 5: Solve for x
    x = 195,379,927,029.36/579,646.80
  6. Step 6: Final answer
    x = 337,067.21

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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.