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Finding the Fourth Proportional to 344,169.24, 474,820.80 and 253,740.20

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Solution

The fourth proportional to 344,169.24, 474,820.80 and 253,740.20 is: 350,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,169.24 : 474,820.80 = 253,740.20 : x
  2. Step 2: Convert to fraction form
    344,169.24/474,820.80 = 253,740.20/x
  3. Step 3: Cross multiply
    344,169.24x = 474,820.80 × 253,740.20
  4. Step 4: Simplify right side
    344,169.24x = 120,481,124,756.16
  5. Step 5: Solve for x
    x = 120,481,124,756.16/344,169.24
  6. Step 6: Final answer
    x = 350,063.60

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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.