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Finding the Fourth Proportional to 898,086.42, 1,347,352.84 and 266,999.22

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Solution

The fourth proportional to 898,086.42, 1,347,352.84 and 266,999.22 is: 400,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,086.42 : 1,347,352.84 = 266,999.22 : x
  2. Step 2: Convert to fraction form
    898,086.42/1,347,352.84 = 266,999.22/x
  3. Step 3: Cross multiply
    898,086.42x = 1,347,352.84 × 266,999.22
  4. Step 4: Simplify right side
    898,086.42x = 359,742,157,344.79
  5. Step 5: Solve for x
    x = 359,742,157,344.79/898,086.42
  6. Step 6: Final answer
    x = 400,565.19

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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.