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Finding the Fourth Proportional to 313,732.01, 432,950.24 and 170,491.70

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Solution

The fourth proportional to 313,732.01, 432,950.24 and 170,491.70 is: 235,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,732.01 : 432,950.24 = 170,491.70 : x
  2. Step 2: Convert to fraction form
    313,732.01/432,950.24 = 170,491.70/x
  3. Step 3: Cross multiply
    313,732.01x = 432,950.24 × 170,491.70
  4. Step 4: Simplify right side
    313,732.01x = 73,814,423,941.61
  5. Step 5: Solve for x
    x = 73,814,423,941.61/313,732.01
  6. Step 6: Final answer
    x = 235,278.58

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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.