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Finding the Fourth Proportional to 888,025.16, 1,224,656.78 and 581,990.06

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Solution

The fourth proportional to 888,025.16, 1,224,656.78 and 581,990.06 is: 802,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,025.16 : 1,224,656.78 = 581,990.06 : x
  2. Step 2: Convert to fraction form
    888,025.16/1,224,656.78 = 581,990.06/x
  3. Step 3: Cross multiply
    888,025.16x = 1,224,656.78 × 581,990.06
  4. Step 4: Simplify right side
    888,025.16x = 712,738,072,871.61
  5. Step 5: Solve for x
    x = 712,738,072,871.61/888,025.16
  6. Step 6: Final answer
    x = 802,610.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.