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Finding the Fourth Proportional to 562,006.63, 775,567.45 and 303,881.78

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Solution

The fourth proportional to 562,006.63, 775,567.45 and 303,881.78 is: 419,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,006.63 : 775,567.45 = 303,881.78 : x
  2. Step 2: Convert to fraction form
    562,006.63/775,567.45 = 303,881.78/x
  3. Step 3: Cross multiply
    562,006.63x = 775,567.45 × 303,881.78
  4. Step 4: Simplify right side
    562,006.63x = 235,680,812,578.52
  5. Step 5: Solve for x
    x = 235,680,812,578.52/562,006.63
  6. Step 6: Final answer
    x = 419,355.93

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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.