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Finding the Fourth Proportional to 559,532.43, 772,247.52 and 330,145.83

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Solution

The fourth proportional to 559,532.43, 772,247.52 and 330,145.83 is: 455,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,532.43 : 772,247.52 = 330,145.83 : x
  2. Step 2: Convert to fraction form
    559,532.43/772,247.52 = 330,145.83/x
  3. Step 3: Cross multiply
    559,532.43x = 772,247.52 × 330,145.83
  4. Step 4: Simplify right side
    559,532.43x = 254,954,298,455.84
  5. Step 5: Solve for x
    x = 254,954,298,455.84/559,532.43
  6. Step 6: Final answer
    x = 455,655.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.