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Finding the Fourth Proportional to 545,061.56, 817,592.67 and 245,191.86

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Solution

The fourth proportional to 545,061.56, 817,592.67 and 245,191.86 is: 367,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,061.56 : 817,592.67 = 245,191.86 : x
  2. Step 2: Convert to fraction form
    545,061.56/817,592.67 = 245,191.86/x
  3. Step 3: Cross multiply
    545,061.56x = 817,592.67 × 245,191.86
  4. Step 4: Simplify right side
    545,061.56x = 200,467,067,479.67
  5. Step 5: Solve for x
    x = 200,467,067,479.67/545,061.56
  6. Step 6: Final answer
    x = 367,787.94

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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.