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Finding the Fourth Proportional to 704,881.58, 972,737.78 and 382,591.76

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Solution

The fourth proportional to 704,881.58, 972,737.78 and 382,591.76 is: 527,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,881.58 : 972,737.78 = 382,591.76 : x
  2. Step 2: Convert to fraction form
    704,881.58/972,737.78 = 382,591.76/x
  3. Step 3: Cross multiply
    704,881.58x = 972,737.78 × 382,591.76
  4. Step 4: Simplify right side
    704,881.58x = 372,161,452,492.05
  5. Step 5: Solve for x
    x = 372,161,452,492.05/704,881.58
  6. Step 6: Final answer
    x = 527,977.27

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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.