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Finding the Fourth Proportional to 623,048.40, 934,572.60 and 202,366.80

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Solution

The fourth proportional to 623,048.40, 934,572.60 and 202,366.80 is: 303,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,048.40 : 934,572.60 = 202,366.80 : x
  2. Step 2: Convert to fraction form
    623,048.40/934,572.60 = 202,366.80/x
  3. Step 3: Cross multiply
    623,048.40x = 934,572.60 × 202,366.80
  4. Step 4: Simplify right side
    623,048.40x = 189,126,466,429.68
  5. Step 5: Solve for x
    x = 189,126,466,429.68/623,048.40
  6. Step 6: Final answer
    x = 303,550.20

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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.