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Finding the Fourth Proportional to 364,897.40, 548,002.20 and 265,170.20

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Solution

The fourth proportional to 364,897.40, 548,002.20 and 265,170.20 is: 398,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,897.40 : 548,002.20 = 265,170.20 : x
  2. Step 2: Convert to fraction form
    364,897.40/548,002.20 = 265,170.20/x
  3. Step 3: Cross multiply
    364,897.40x = 548,002.20 × 265,170.20
  4. Step 4: Simplify right side
    364,897.40x = 145,313,852,974.44
  5. Step 5: Solve for x
    x = 145,313,852,974.44/364,897.40
  6. Step 6: Final answer
    x = 398,232.09

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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.