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Finding the Fourth Proportional to 897,505.71, 1,345,121.32 and 888,014.13

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Solution

The fourth proportional to 897,505.71, 1,345,121.32 and 888,014.13 is: 1,330,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,505.71 : 1,345,121.32 = 888,014.13 : x
  2. Step 2: Convert to fraction form
    897,505.71/1,345,121.32 = 888,014.13/x
  3. Step 3: Cross multiply
    897,505.71x = 1,345,121.32 × 888,014.13
  4. Step 4: Simplify right side
    897,505.71x = 1,194,486,738,724.25
  5. Step 5: Solve for x
    x = 1,194,486,738,724.25/897,505.71
  6. Step 6: Final answer
    x = 1,330,895.98

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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.