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Finding the Fourth Proportional to 897,254.88, 1,345,674.84 and 266,016.48

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Solution

The fourth proportional to 897,254.88, 1,345,674.84 and 266,016.48 is: 398,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,254.88 : 1,345,674.84 = 266,016.48 : x
  2. Step 2: Convert to fraction form
    897,254.88/1,345,674.84 = 266,016.48/x
  3. Step 3: Cross multiply
    897,254.88x = 1,345,674.84 × 266,016.48
  4. Step 4: Simplify right side
    897,254.88x = 357,971,684,161.36
  5. Step 5: Solve for x
    x = 357,971,684,161.36/897,254.88
  6. Step 6: Final answer
    x = 398,963.21

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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.