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Finding the Fourth Proportional to 533,948.90, 800,923.35 and 218,300.90

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Solution

The fourth proportional to 533,948.90, 800,923.35 and 218,300.90 is: 327,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,948.90 : 800,923.35 = 218,300.90 : x
  2. Step 2: Convert to fraction form
    533,948.90/800,923.35 = 218,300.90/x
  3. Step 3: Cross multiply
    533,948.90x = 800,923.35 × 218,300.90
  4. Step 4: Simplify right side
    533,948.90x = 174,842,288,136.02
  5. Step 5: Solve for x
    x = 174,842,288,136.02/533,948.90
  6. Step 6: Final answer
    x = 327,451.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.