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Finding the Fourth Proportional to 732.24, 1,010.48 and 437.40

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Solution

The fourth proportional to 732.24, 1,010.48 and 437.40 is: 603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.24 : 1,010.48 = 437.40 : x
  2. Step 2: Convert to fraction form
    732.24/1,010.48 = 437.40/x
  3. Step 3: Cross multiply
    732.24x = 1,010.48 × 437.40
  4. Step 4: Simplify right side
    732.24x = 441,981.77
  5. Step 5: Solve for x
    x = 441,981.77/732.24
  6. Step 6: Final answer
    x = 603.60

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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.