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Finding the Fourth Proportional to 884,480.40, 1,326,720.60 and 565,615.80

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Solution

The fourth proportional to 884,480.40, 1,326,720.60 and 565,615.80 is: 848,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,480.40 : 1,326,720.60 = 565,615.80 : x
  2. Step 2: Convert to fraction form
    884,480.40/1,326,720.60 = 565,615.80/x
  3. Step 3: Cross multiply
    884,480.40x = 1,326,720.60 × 565,615.80
  4. Step 4: Simplify right side
    884,480.40x = 750,414,133,545.48
  5. Step 5: Solve for x
    x = 750,414,133,545.48/884,480.40
  6. Step 6: Final answer
    x = 848,423.70

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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.