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Finding the Fourth Proportional to 239,603.20, 359,404.80 and 146,291.20

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Solution

The fourth proportional to 239,603.20, 359,404.80 and 146,291.20 is: 219,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,603.20 : 359,404.80 = 146,291.20 : x
  2. Step 2: Convert to fraction form
    239,603.20/359,404.80 = 146,291.20/x
  3. Step 3: Cross multiply
    239,603.20x = 359,404.80 × 146,291.20
  4. Step 4: Simplify right side
    239,603.20x = 52,577,759,477.76
  5. Step 5: Solve for x
    x = 52,577,759,477.76/239,603.20
  6. Step 6: Final answer
    x = 219,436.80

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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.