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Finding the Fourth Proportional to 636,335.60, 954,503.40 and 605,231.60

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Solution

The fourth proportional to 636,335.60, 954,503.40 and 605,231.60 is: 907,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,335.60 : 954,503.40 = 605,231.60 : x
  2. Step 2: Convert to fraction form
    636,335.60/954,503.40 = 605,231.60/x
  3. Step 3: Cross multiply
    636,335.60x = 954,503.40 × 605,231.60
  4. Step 4: Simplify right side
    636,335.60x = 577,695,619,987.44
  5. Step 5: Solve for x
    x = 577,695,619,987.44/636,335.60
  6. Step 6: Final answer
    x = 907,847.40

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Half scale
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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.