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Finding the Fourth Proportional to 559,426.93, 772,064.91 and 341,623.60

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Solution

The fourth proportional to 559,426.93, 772,064.91 and 341,623.60 is: 471,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,426.93 : 772,064.91 = 341,623.60 : x
  2. Step 2: Convert to fraction form
    559,426.93/772,064.91 = 341,623.60/x
  3. Step 3: Cross multiply
    559,426.93x = 772,064.91 × 341,623.60
  4. Step 4: Simplify right side
    559,426.93x = 263,755,593,987.88
  5. Step 5: Solve for x
    x = 263,755,593,987.88/559,426.93
  6. Step 6: Final answer
    x = 471,474.61

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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.