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Finding the Fourth Proportional to 559,115.88, 771,045.66 and 375,768.60

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Solution

The fourth proportional to 559,115.88, 771,045.66 and 375,768.60 is: 518,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,115.88 : 771,045.66 = 375,768.60 : x
  2. Step 2: Convert to fraction form
    559,115.88/771,045.66 = 375,768.60/x
  3. Step 3: Cross multiply
    559,115.88x = 771,045.66 × 375,768.60
  4. Step 4: Simplify right side
    559,115.88x = 289,734,748,194.28
  5. Step 5: Solve for x
    x = 289,734,748,194.28/559,115.88
  6. Step 6: Final answer
    x = 518,201.61

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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.