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Finding the Fourth Proportional to 563,648.18, 777,481.53 and 370,065.87

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Solution

The fourth proportional to 563,648.18, 777,481.53 and 370,065.87 is: 510,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,648.18 : 777,481.53 = 370,065.87 : x
  2. Step 2: Convert to fraction form
    563,648.18/777,481.53 = 370,065.87/x
  3. Step 3: Cross multiply
    563,648.18x = 777,481.53 × 370,065.87
  4. Step 4: Simplify right side
    563,648.18x = 287,719,379,733.55
  5. Step 5: Solve for x
    x = 287,719,379,733.55/563,648.18
  6. Step 6: Final answer
    x = 510,459.17

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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.