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Finding the Fourth Proportional to 754,937.94, 1,041,783 and 410,775.21

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Solution

The fourth proportional to 754,937.94, 1,041,783 and 410,775.21 is: 566,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,937.94 : 1,041,783 = 410,775.21 : x
  2. Step 2: Convert to fraction form
    754,937.94/1,041,783 = 410,775.21/x
  3. Step 3: Cross multiply
    754,937.94x = 1,041,783 × 410,775.21
  4. Step 4: Simplify right side
    754,937.94x = 427,938,630,599.43
  5. Step 5: Solve for x
    x = 427,938,630,599.43/754,937.94
  6. Step 6: Final answer
    x = 566,852.73

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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.