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Finding the Fourth Proportional to 263,341.79, 363,411.67 and 142,483.08

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Solution

The fourth proportional to 263,341.79, 363,411.67 and 142,483.08 is: 196,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,341.79 : 363,411.67 = 142,483.08 : x
  2. Step 2: Convert to fraction form
    263,341.79/363,411.67 = 142,483.08/x
  3. Step 3: Cross multiply
    263,341.79x = 363,411.67 × 142,483.08
  4. Step 4: Simplify right side
    263,341.79x = 51,780,013,960.49
  5. Step 5: Solve for x
    x = 51,780,013,960.49/263,341.79
  6. Step 6: Final answer
    x = 196,626.65

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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.