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Finding the Fourth Proportional to 342,569.70, 513,165.65 and 192,585.24

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Solution

The fourth proportional to 342,569.70, 513,165.65 and 192,585.24 is: 288,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,569.70 : 513,165.65 = 192,585.24 : x
  2. Step 2: Convert to fraction form
    342,569.70/513,165.65 = 192,585.24/x
  3. Step 3: Cross multiply
    342,569.70x = 513,165.65 × 192,585.24
  4. Step 4: Simplify right side
    342,569.70x = 98,828,128,902.08
  5. Step 5: Solve for x
    x = 98,828,128,902.08/342,569.70
  6. Step 6: Final answer
    x = 288,490.57

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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.