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Finding the Fourth Proportional to 584,111.64, 806,438.94 and 447,883.88

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Solution

The fourth proportional to 584,111.64, 806,438.94 and 447,883.88 is: 618,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,111.64 : 806,438.94 = 447,883.88 : x
  2. Step 2: Convert to fraction form
    584,111.64/806,438.94 = 447,883.88/x
  3. Step 3: Cross multiply
    584,111.64x = 806,438.94 × 447,883.88
  4. Step 4: Simplify right side
    584,111.64x = 361,191,001,430.29
  5. Step 5: Solve for x
    x = 361,191,001,430.29/584,111.64
  6. Step 6: Final answer
    x = 618,359.53

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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.