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Finding the Fourth Proportional to 559,109.85, 771,037.41 and 375,762.57

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Solution

The fourth proportional to 559,109.85, 771,037.41 and 375,762.57 is: 518,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,109.85 : 771,037.41 = 375,762.57 : x
  2. Step 2: Convert to fraction form
    559,109.85/771,037.41 = 375,762.57/x
  3. Step 3: Cross multiply
    559,109.85x = 771,037.41 × 375,762.57
  4. Step 4: Simplify right side
    559,109.85x = 289,726,998,747.74
  5. Step 5: Solve for x
    x = 289,726,998,747.74/559,109.85
  6. Step 6: Final answer
    x = 518,193.34

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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.