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Finding the Fourth Proportional to 559,200.60, 771,162.66 and 375,853.32

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Solution

The fourth proportional to 559,200.60, 771,162.66 and 375,853.32 is: 518,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,200.60 : 771,162.66 = 375,853.32 : x
  2. Step 2: Convert to fraction form
    559,200.60/771,162.66 = 375,853.32/x
  3. Step 3: Cross multiply
    559,200.60x = 771,162.66 × 375,853.32
  4. Step 4: Simplify right side
    559,200.60x = 289,844,046,021.03
  5. Step 5: Solve for x
    x = 289,844,046,021.03/559,200.60
  6. Step 6: Final answer
    x = 518,318.55

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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.