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Finding the Fourth Proportional to 707.41, 1,061.53 and 296.52

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Solution

The fourth proportional to 707.41, 1,061.53 and 296.52 is: 444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.41 : 1,061.53 = 296.52 : x
  2. Step 2: Convert to fraction form
    707.41/1,061.53 = 296.52/x
  3. Step 3: Cross multiply
    707.41x = 1,061.53 × 296.52
  4. Step 4: Simplify right side
    707.41x = 314,758.83
  5. Step 5: Solve for x
    x = 314,758.83/707.41
  6. Step 6: Final answer
    x = 444.95

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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.