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Finding the Fourth Proportional to 560,595.15, 840,392.78 and 205,526.43

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Solution

The fourth proportional to 560,595.15, 840,392.78 and 205,526.43 is: 308,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,595.15 : 840,392.78 = 205,526.43 : x
  2. Step 2: Convert to fraction form
    560,595.15/840,392.78 = 205,526.43/x
  3. Step 3: Cross multiply
    560,595.15x = 840,392.78 × 205,526.43
  4. Step 4: Simplify right side
    560,595.15x = 172,722,926,843.54
  5. Step 5: Solve for x
    x = 172,722,926,843.54/560,595.15
  6. Step 6: Final answer
    x = 308,106.35

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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.