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Finding the Fourth Proportional to 732.34, 1,010.19 and 483.66

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Solution

The fourth proportional to 732.34, 1,010.19 and 483.66 is: 667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.34 : 1,010.19 = 483.66 : x
  2. Step 2: Convert to fraction form
    732.34/1,010.19 = 483.66/x
  3. Step 3: Cross multiply
    732.34x = 1,010.19 × 483.66
  4. Step 4: Simplify right side
    732.34x = 488,588.50
  5. Step 5: Solve for x
    x = 488,588.50/732.34
  6. Step 6: Final answer
    x = 667.16

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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.