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Finding the Fourth Proportional to 605,701.20, 906,802.20 and 588,205.20

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Solution

The fourth proportional to 605,701.20, 906,802.20 and 588,205.20 is: 880,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,701.20 : 906,802.20 = 588,205.20 : x
  2. Step 2: Convert to fraction form
    605,701.20/906,802.20 = 588,205.20/x
  3. Step 3: Cross multiply
    605,701.20x = 906,802.20 × 588,205.20
  4. Step 4: Simplify right side
    605,701.20x = 533,385,769,411.44
  5. Step 5: Solve for x
    x = 533,385,769,411.44/605,701.20
  6. Step 6: Final answer
    x = 880,608.74

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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.