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Finding the Fourth Proportional to 559,646.92, 839,467.19 and 160,287.81

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Solution

The fourth proportional to 559,646.92, 839,467.19 and 160,287.81 is: 240,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,646.92 : 839,467.19 = 160,287.81 : x
  2. Step 2: Convert to fraction form
    559,646.92/839,467.19 = 160,287.81/x
  3. Step 3: Cross multiply
    559,646.92x = 839,467.19 × 160,287.81
  4. Step 4: Simplify right side
    559,646.92x = 134,556,359,426.67
  5. Step 5: Solve for x
    x = 134,556,359,426.67/559,646.92
  6. Step 6: Final answer
    x = 240,430.80

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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.