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Finding the Fourth Proportional to 325,382.40, 487,555.20 and 241,401.60

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Solution

The fourth proportional to 325,382.40, 487,555.20 and 241,401.60 is: 361,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,382.40 : 487,555.20 = 241,401.60 : x
  2. Step 2: Convert to fraction form
    325,382.40/487,555.20 = 241,401.60/x
  3. Step 3: Cross multiply
    325,382.40x = 487,555.20 × 241,401.60
  4. Step 4: Simplify right side
    325,382.40x = 117,696,605,368.32
  5. Step 5: Solve for x
    x = 117,696,605,368.32/325,382.40
  6. Step 6: Final answer
    x = 361,717.80

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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.