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Finding the Fourth Proportional to 1,453.38, 2,177.06 and 710.76

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Solution

The fourth proportional to 1,453.38, 2,177.06 and 710.76 is: 1,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.38 : 2,177.06 = 710.76 : x
  2. Step 2: Convert to fraction form
    1,453.38/2,177.06 = 710.76/x
  3. Step 3: Cross multiply
    1,453.38x = 2,177.06 × 710.76
  4. Step 4: Simplify right side
    1,453.38x = 1,547,356.28
  5. Step 5: Solve for x
    x = 1,547,356.28/1,453.38
  6. Step 6: Final answer
    x = 1,064.66

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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.