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Finding the Fourth Proportional to 641,707.54, 963,507.54 and 357,952.48

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Solution

The fourth proportional to 641,707.54, 963,507.54 and 357,952.48 is: 537,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,707.54 : 963,507.54 = 357,952.48 : x
  2. Step 2: Convert to fraction form
    641,707.54/963,507.54 = 357,952.48/x
  3. Step 3: Cross multiply
    641,707.54x = 963,507.54 × 357,952.48
  4. Step 4: Simplify right side
    641,707.54x = 344,889,913,441.70
  5. Step 5: Solve for x
    x = 344,889,913,441.70/641,707.54
  6. Step 6: Final answer
    x = 537,456.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.