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Finding the Fourth Proportional to 240,015.40, 360,023.10 and 214,354.60

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Solution

The fourth proportional to 240,015.40, 360,023.10 and 214,354.60 is: 321,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,015.40 : 360,023.10 = 214,354.60 : x
  2. Step 2: Convert to fraction form
    240,015.40/360,023.10 = 214,354.60/x
  3. Step 3: Cross multiply
    240,015.40x = 360,023.10 × 214,354.60
  4. Step 4: Simplify right side
    240,015.40x = 77,172,607,591.26
  5. Step 5: Solve for x
    x = 77,172,607,591.26/240,015.40
  6. Step 6: Final answer
    x = 321,531.90

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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.