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Finding the Fourth Proportional to 878,889.30, 1,315,223.55 and 598,953.30

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Solution

The fourth proportional to 878,889.30, 1,315,223.55 and 598,953.30 is: 896,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,889.30 : 1,315,223.55 = 598,953.30 : x
  2. Step 2: Convert to fraction form
    878,889.30/1,315,223.55 = 598,953.30/x
  3. Step 3: Cross multiply
    878,889.30x = 1,315,223.55 × 598,953.30
  4. Step 4: Simplify right side
    878,889.30x = 787,757,485,510.22
  5. Step 5: Solve for x
    x = 787,757,485,510.22/878,889.30
  6. Step 6: Final answer
    x = 896,310.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.