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Finding the Fourth Proportional to 722,662.92, 997,440.48 and 480,955.68

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Solution

The fourth proportional to 722,662.92, 997,440.48 and 480,955.68 is: 663,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,662.92 : 997,440.48 = 480,955.68 : x
  2. Step 2: Convert to fraction form
    722,662.92/997,440.48 = 480,955.68/x
  3. Step 3: Cross multiply
    722,662.92x = 997,440.48 × 480,955.68
  4. Step 4: Simplify right side
    722,662.92x = 479,724,664,317.93
  5. Step 5: Solve for x
    x = 479,724,664,317.93/722,662.92
  6. Step 6: Final answer
    x = 663,829.08

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Half scale
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Double scale
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Similar ratio
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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.