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Finding the Fourth Proportional to 459,967.01, 690,040.80 and 160,457.36

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Solution

The fourth proportional to 459,967.01, 690,040.80 and 160,457.36 is: 240,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,967.01 : 690,040.80 = 160,457.36 : x
  2. Step 2: Convert to fraction form
    459,967.01/690,040.80 = 160,457.36/x
  3. Step 3: Cross multiply
    459,967.01x = 690,040.80 × 160,457.36
  4. Step 4: Simplify right side
    459,967.01x = 110,722,121,610.08
  5. Step 5: Solve for x
    x = 110,722,121,610.08/459,967.01
  6. Step 6: Final answer
    x = 240,717.53

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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.