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Finding the Fourth Proportional to 1,472.63, 2,209.95 and 606.94

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Solution

The fourth proportional to 1,472.63, 2,209.95 and 606.94 is: 910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.63 : 2,209.95 = 606.94 : x
  2. Step 2: Convert to fraction form
    1,472.63/2,209.95 = 606.94/x
  3. Step 3: Cross multiply
    1,472.63x = 2,209.95 × 606.94
  4. Step 4: Simplify right side
    1,472.63x = 1,341,301.53
  5. Step 5: Solve for x
    x = 1,341,301.53/1,472.63
  6. Step 6: Final answer
    x = 910.82

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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.