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Finding the Fourth Proportional to 362,210.40, 542,797.20 and 251,272.80

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Solution

The fourth proportional to 362,210.40, 542,797.20 and 251,272.80 is: 376,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,210.40 : 542,797.20 = 251,272.80 : x
  2. Step 2: Convert to fraction form
    362,210.40/542,797.20 = 251,272.80/x
  3. Step 3: Cross multiply
    362,210.40x = 542,797.20 × 251,272.80
  4. Step 4: Simplify right side
    362,210.40x = 136,390,172,276.16
  5. Step 5: Solve for x
    x = 136,390,172,276.16/362,210.40
  6. Step 6: Final answer
    x = 376,549.58

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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.