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Finding the Fourth Proportional to 353,585.19, 487,946.10 and 192,440.22

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Solution

The fourth proportional to 353,585.19, 487,946.10 and 192,440.22 is: 265,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,585.19 : 487,946.10 = 192,440.22 : x
  2. Step 2: Convert to fraction form
    353,585.19/487,946.10 = 192,440.22/x
  3. Step 3: Cross multiply
    353,585.19x = 487,946.10 × 192,440.22
  4. Step 4: Simplify right side
    353,585.19x = 93,900,454,832.14
  5. Step 5: Solve for x
    x = 93,900,454,832.14/353,585.19
  6. Step 6: Final answer
    x = 265,566.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.