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Finding the Fourth Proportional to 316,542.76, 436,834.50 and 195,681.04

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Solution

The fourth proportional to 316,542.76, 436,834.50 and 195,681.04 is: 270,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542.76 : 436,834.50 = 195,681.04 : x
  2. Step 2: Convert to fraction form
    316,542.76/436,834.50 = 195,681.04/x
  3. Step 3: Cross multiply
    316,542.76x = 436,834.50 × 195,681.04
  4. Step 4: Simplify right side
    316,542.76x = 85,480,229,267.88
  5. Step 5: Solve for x
    x = 85,480,229,267.88/316,542.76
  6. Step 6: Final answer
    x = 270,043.23

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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.