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Finding the Fourth Proportional to 760.92, 1,050.34 and 466.12

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Solution

The fourth proportional to 760.92, 1,050.34 and 466.12 is: 643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.92 : 1,050.34 = 466.12 : x
  2. Step 2: Convert to fraction form
    760.92/1,050.34 = 466.12/x
  3. Step 3: Cross multiply
    760.92x = 1,050.34 × 466.12
  4. Step 4: Simplify right side
    760.92x = 489,584.48
  5. Step 5: Solve for x
    x = 489,584.48/760.92
  6. Step 6: Final answer
    x = 643.41

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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.