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Finding the Fourth Proportional to 704,346.08, 971,996.58 and 382,055.78

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Solution

The fourth proportional to 704,346.08, 971,996.58 and 382,055.78 is: 527,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,346.08 : 971,996.58 = 382,055.78 : x
  2. Step 2: Convert to fraction form
    704,346.08/971,996.58 = 382,055.78/x
  3. Step 3: Cross multiply
    704,346.08x = 971,996.58 × 382,055.78
  4. Step 4: Simplify right side
    704,346.08x = 371,356,911,529.23
  5. Step 5: Solve for x
    x = 371,356,911,529.23/704,346.08
  6. Step 6: Final answer
    x = 527,236.43

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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.