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Finding the Fourth Proportional to 798.32, 1,101.66 and 466.76

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Solution

The fourth proportional to 798.32, 1,101.66 and 466.76 is: 644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.32 : 1,101.66 = 466.76 : x
  2. Step 2: Convert to fraction form
    798.32/1,101.66 = 466.76/x
  3. Step 3: Cross multiply
    798.32x = 1,101.66 × 466.76
  4. Step 4: Simplify right side
    798.32x = 514,210.82
  5. Step 5: Solve for x
    x = 514,210.82/798.32
  6. Step 6: Final answer
    x = 644.12

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Double scale
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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.