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Finding the Fourth Proportional to 884,395.40, 1,326,593.10 and 565,530.80

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Solution

The fourth proportional to 884,395.40, 1,326,593.10 and 565,530.80 is: 848,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,395.40 : 1,326,593.10 = 565,530.80 : x
  2. Step 2: Convert to fraction form
    884,395.40/1,326,593.10 = 565,530.80/x
  3. Step 3: Cross multiply
    884,395.40x = 1,326,593.10 × 565,530.80
  4. Step 4: Simplify right side
    884,395.40x = 750,229,257,117.48
  5. Step 5: Solve for x
    x = 750,229,257,117.48/884,395.40
  6. Step 6: Final answer
    x = 848,296.20

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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.