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Finding the Fourth Proportional to 618,667.60, 928,006.88 and 244,690.64

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Solution

The fourth proportional to 618,667.60, 928,006.88 and 244,690.64 is: 367,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,667.60 : 928,006.88 = 244,690.64 : x
  2. Step 2: Convert to fraction form
    618,667.60/928,006.88 = 244,690.64/x
  3. Step 3: Cross multiply
    618,667.60x = 928,006.88 × 244,690.64
  4. Step 4: Simplify right side
    618,667.60x = 227,074,597,391.60
  5. Step 5: Solve for x
    x = 227,074,597,391.60/618,667.60
  6. Step 6: Final answer
    x = 367,038.13

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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.