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Finding the Fourth Proportional to 496,803.17, 745,223.73 and 155,278.04

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Solution

The fourth proportional to 496,803.17, 745,223.73 and 155,278.04 is: 232,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,803.17 : 745,223.73 = 155,278.04 : x
  2. Step 2: Convert to fraction form
    496,803.17/745,223.73 = 155,278.04/x
  3. Step 3: Cross multiply
    496,803.17x = 745,223.73 × 155,278.04
  4. Step 4: Simplify right side
    496,803.17x = 115,716,879,253.58
  5. Step 5: Solve for x
    x = 115,716,879,253.58/496,803.17
  6. Step 6: Final answer
    x = 232,922.99

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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.