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Finding the Fourth Proportional to 886,805.60, 1,330,208.40 and 606,869.60

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Solution

The fourth proportional to 886,805.60, 1,330,208.40 and 606,869.60 is: 910,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,805.60 : 1,330,208.40 = 606,869.60 : x
  2. Step 2: Convert to fraction form
    886,805.60/1,330,208.40 = 606,869.60/x
  3. Step 3: Cross multiply
    886,805.60x = 1,330,208.40 × 606,869.60
  4. Step 4: Simplify right side
    886,805.60x = 807,263,039,624.64
  5. Step 5: Solve for x
    x = 807,263,039,624.64/886,805.60
  6. Step 6: Final answer
    x = 910,304.40

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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.