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Finding the Fourth Proportional to 523,080.86, 784,504.53 and 242,561.66

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Solution

The fourth proportional to 523,080.86, 784,504.53 and 242,561.66 is: 363,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,080.86 : 784,504.53 = 242,561.66 : x
  2. Step 2: Convert to fraction form
    523,080.86/784,504.53 = 242,561.66/x
  3. Step 3: Cross multiply
    523,080.86x = 784,504.53 × 242,561.66
  4. Step 4: Simplify right side
    523,080.86x = 190,290,721,074.32
  5. Step 5: Solve for x
    x = 190,290,721,074.32/523,080.86
  6. Step 6: Final answer
    x = 363,788.35

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1.5x scale

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.