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Finding the Fourth Proportional to 472,602.11, 652,164.90 and 268,624.67

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Solution

The fourth proportional to 472,602.11, 652,164.90 and 268,624.67 is: 370,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,602.11 : 652,164.90 = 268,624.67 : x
  2. Step 2: Convert to fraction form
    472,602.11/652,164.90 = 268,624.67/x
  3. Step 3: Cross multiply
    472,602.11x = 652,164.90 × 268,624.67
  4. Step 4: Simplify right side
    472,602.11x = 175,187,581,048.08
  5. Step 5: Solve for x
    x = 175,187,581,048.08/472,602.11
  6. Step 6: Final answer
    x = 370,687.26

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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.