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Finding the Fourth Proportional to 736,009.72, 1,015,698.99 and 409,327.27

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Solution

The fourth proportional to 736,009.72, 1,015,698.99 and 409,327.27 is: 564,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,009.72 : 1,015,698.99 = 409,327.27 : x
  2. Step 2: Convert to fraction form
    736,009.72/1,015,698.99 = 409,327.27/x
  3. Step 3: Cross multiply
    736,009.72x = 1,015,698.99 × 409,327.27
  4. Step 4: Simplify right side
    736,009.72x = 415,753,294,718.46
  5. Step 5: Solve for x
    x = 415,753,294,718.46/736,009.72
  6. Step 6: Final answer
    x = 564,874.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.