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Finding the Fourth Proportional to 371,296.44, 556,894.80 and 105,080.04

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Solution

The fourth proportional to 371,296.44, 556,894.80 and 105,080.04 is: 157,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,296.44 : 556,894.80 = 105,080.04 : x
  2. Step 2: Convert to fraction form
    371,296.44/556,894.80 = 105,080.04/x
  3. Step 3: Cross multiply
    371,296.44x = 556,894.80 × 105,080.04
  4. Step 4: Simplify right side
    371,296.44x = 58,518,527,859.79
  5. Step 5: Solve for x
    x = 58,518,527,859.79/371,296.44
  6. Step 6: Final answer
    x = 157,605.95

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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.