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Finding the Fourth Proportional to 587,284.20, 880,926.30 and 410,137.20

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Solution

The fourth proportional to 587,284.20, 880,926.30 and 410,137.20 is: 615,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,284.20 : 880,926.30 = 410,137.20 : x
  2. Step 2: Convert to fraction form
    587,284.20/880,926.30 = 410,137.20/x
  3. Step 3: Cross multiply
    587,284.20x = 880,926.30 × 410,137.20
  4. Step 4: Simplify right side
    587,284.20x = 361,300,646,088.36
  5. Step 5: Solve for x
    x = 361,300,646,088.36/587,284.20
  6. Step 6: Final answer
    x = 615,205.80

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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.