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Finding the Fourth Proportional to 623,167.20, 934,750.80 and 223,869.60

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Solution

The fourth proportional to 623,167.20, 934,750.80 and 223,869.60 is: 335,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,167.20 : 934,750.80 = 223,869.60 : x
  2. Step 2: Convert to fraction form
    623,167.20/934,750.80 = 223,869.60/x
  3. Step 3: Cross multiply
    623,167.20x = 934,750.80 × 223,869.60
  4. Step 4: Simplify right side
    623,167.20x = 209,262,287,695.68
  5. Step 5: Solve for x
    x = 209,262,287,695.68/623,167.20
  6. Step 6: Final answer
    x = 335,804.40

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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.