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Finding the Fourth Proportional to 618,045.84, 927,335.15 and 333,679.92

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Solution

The fourth proportional to 618,045.84, 927,335.15 and 333,679.92 is: 500,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,045.84 : 927,335.15 = 333,679.92 : x
  2. Step 2: Convert to fraction form
    618,045.84/927,335.15 = 333,679.92/x
  3. Step 3: Cross multiply
    618,045.84x = 927,335.15 × 333,679.92
  4. Step 4: Simplify right side
    618,045.84x = 309,433,116,996.79
  5. Step 5: Solve for x
    x = 309,433,116,996.79/618,045.84
  6. Step 6: Final answer
    x = 500,663.70

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1.5x scale

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.