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Finding the Fourth Proportional to 388,247.61, 535,699.35 and 244,924.59

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Solution

The fourth proportional to 388,247.61, 535,699.35 and 244,924.59 is: 337,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,247.61 : 535,699.35 = 244,924.59 : x
  2. Step 2: Convert to fraction form
    388,247.61/535,699.35 = 244,924.59/x
  3. Step 3: Cross multiply
    388,247.61x = 535,699.35 × 244,924.59
  4. Step 4: Simplify right side
    388,247.61x = 131,205,944,982.04
  5. Step 5: Solve for x
    x = 131,205,944,982.04/388,247.61
  6. Step 6: Final answer
    x = 337,943.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.