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Finding the Fourth Proportional to 623,152.20, 934,728.30 and 223,854.60

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Solution

The fourth proportional to 623,152.20, 934,728.30 and 223,854.60 is: 335,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,152.20 : 934,728.30 = 223,854.60 : x
  2. Step 2: Convert to fraction form
    623,152.20/934,728.30 = 223,854.60/x
  3. Step 3: Cross multiply
    623,152.20x = 934,728.30 × 223,854.60
  4. Step 4: Simplify right side
    623,152.20x = 209,243,229,705.18
  5. Step 5: Solve for x
    x = 209,243,229,705.18/623,152.20
  6. Step 6: Final answer
    x = 335,781.90

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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.