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Finding the Fourth Proportional to 429,781.60, 592,914.90 and 268,526.80

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Solution

The fourth proportional to 429,781.60, 592,914.90 and 268,526.80 is: 370,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,781.60 : 592,914.90 = 268,526.80 : x
  2. Step 2: Convert to fraction form
    429,781.60/592,914.90 = 268,526.80/x
  3. Step 3: Cross multiply
    429,781.60x = 592,914.90 × 268,526.80
  4. Step 4: Simplify right side
    429,781.60x = 159,213,540,769.32
  5. Step 5: Solve for x
    x = 159,213,540,769.32/429,781.60
  6. Step 6: Final answer
    x = 370,452.20

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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.