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Finding the Fourth Proportional to 365,033.60, 547,291.20 and 140,307.20

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Solution

The fourth proportional to 365,033.60, 547,291.20 and 140,307.20 is: 210,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,033.60 : 547,291.20 = 140,307.20 : x
  2. Step 2: Convert to fraction form
    365,033.60/547,291.20 = 140,307.20/x
  3. Step 3: Cross multiply
    365,033.60x = 547,291.20 × 140,307.20
  4. Step 4: Simplify right side
    365,033.60x = 76,788,895,856.64
  5. Step 5: Solve for x
    x = 76,788,895,856.64/365,033.60
  6. Step 6: Final answer
    x = 210,361.17

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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.