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Finding the Fourth Proportional to 618,044.34, 927,332.89 and 333,678.42

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Solution

The fourth proportional to 618,044.34, 927,332.89 and 333,678.42 is: 500,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,044.34 : 927,332.89 = 333,678.42 : x
  2. Step 2: Convert to fraction form
    618,044.34/927,332.89 = 333,678.42/x
  3. Step 3: Cross multiply
    618,044.34x = 927,332.89 × 333,678.42
  4. Step 4: Simplify right side
    618,044.34x = 309,430,972,715.04
  5. Step 5: Solve for x
    x = 309,430,972,715.04/618,044.34
  6. Step 6: Final answer
    x = 500,661.44

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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.