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Finding the Fourth Proportional to 704,896.79, 972,758.54 and 382,606.95

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Solution

The fourth proportional to 704,896.79, 972,758.54 and 382,606.95 is: 527,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,896.79 : 972,758.54 = 382,606.95 : x
  2. Step 2: Convert to fraction form
    704,896.79/972,758.54 = 382,606.95/x
  3. Step 3: Cross multiply
    704,896.79x = 972,758.54 × 382,606.95
  4. Step 4: Simplify right side
    704,896.79x = 372,184,176,162.82
  5. Step 5: Solve for x
    x = 372,184,176,162.82/704,896.79
  6. Step 6: Final answer
    x = 527,998.12

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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.