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Finding the Fourth Proportional to 359,124.50, 495,579.04 and 195,777.62

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Solution

The fourth proportional to 359,124.50, 495,579.04 and 195,777.62 is: 270,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,124.50 : 495,579.04 = 195,777.62 : x
  2. Step 2: Convert to fraction form
    359,124.50/495,579.04 = 195,777.62/x
  3. Step 3: Cross multiply
    359,124.50x = 495,579.04 × 195,777.62
  4. Step 4: Simplify right side
    359,124.50x = 97,023,284,965.42
  5. Step 5: Solve for x
    x = 97,023,284,965.42/359,124.50
  6. Step 6: Final answer
    x = 270,166.16

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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.