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Finding the Fourth Proportional to 361,603.20, 542,404.80 and 174,633.60

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Solution

The fourth proportional to 361,603.20, 542,404.80 and 174,633.60 is: 261,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,603.20 : 542,404.80 = 174,633.60 : x
  2. Step 2: Convert to fraction form
    361,603.20/542,404.80 = 174,633.60/x
  3. Step 3: Cross multiply
    361,603.20x = 542,404.80 × 174,633.60
  4. Step 4: Simplify right side
    361,603.20x = 94,722,102,881.28
  5. Step 5: Solve for x
    x = 94,722,102,881.28/361,603.20
  6. Step 6: Final answer
    x = 261,950.40

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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.