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Finding the Fourth Proportional to 587,074.60, 880,611.90 and 579,201.40

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Solution

The fourth proportional to 587,074.60, 880,611.90 and 579,201.40 is: 868,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,074.60 : 880,611.90 = 579,201.40 : x
  2. Step 2: Convert to fraction form
    587,074.60/880,611.90 = 579,201.40/x
  3. Step 3: Cross multiply
    587,074.60x = 880,611.90 × 579,201.40
  4. Step 4: Simplify right side
    587,074.60x = 510,051,645,336.66
  5. Step 5: Solve for x
    x = 510,051,645,336.66/587,074.60
  6. Step 6: Final answer
    x = 868,802.10

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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.