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Finding the Fourth Proportional to 333,095.90, 499,639.21 and 80,374.28

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Solution

The fourth proportional to 333,095.90, 499,639.21 and 80,374.28 is: 120,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,095.90 : 499,639.21 = 80,374.28 : x
  2. Step 2: Convert to fraction form
    333,095.90/499,639.21 = 80,374.28/x
  3. Step 3: Cross multiply
    333,095.90x = 499,639.21 × 80,374.28
  4. Step 4: Simplify right side
    333,095.90x = 40,158,141,763.52
  5. Step 5: Solve for x
    x = 40,158,141,763.52/333,095.90
  6. Step 6: Final answer
    x = 120,560.30

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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.