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Finding the Fourth Proportional to 441,014.40, 660,841.20 and 328,165.20

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Solution

The fourth proportional to 441,014.40, 660,841.20 and 328,165.20 is: 491,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,014.40 : 660,841.20 = 328,165.20 : x
  2. Step 2: Convert to fraction form
    441,014.40/660,841.20 = 328,165.20/x
  3. Step 3: Cross multiply
    441,014.40x = 660,841.20 × 328,165.20
  4. Step 4: Simplify right side
    441,014.40x = 216,865,084,566.24
  5. Step 5: Solve for x
    x = 216,865,084,566.24/441,014.40
  6. Step 6: Final answer
    x = 491,741.50

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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.