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Finding the Fourth Proportional to 618,046.34, 927,335.89 and 333,680.42

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Solution

The fourth proportional to 618,046.34, 927,335.89 and 333,680.42 is: 500,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,046.34 : 927,335.89 = 333,680.42 : x
  2. Step 2: Convert to fraction form
    618,046.34/927,335.89 = 333,680.42/x
  3. Step 3: Cross multiply
    618,046.34x = 927,335.89 × 333,680.42
  4. Step 4: Simplify right side
    618,046.34x = 309,433,829,256.27
  5. Step 5: Solve for x
    x = 309,433,829,256.27/618,046.34
  6. Step 6: Final answer
    x = 500,664.45

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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.