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Finding the Fourth Proportional to 479,529.71, 661,747.77 and 264,669.71

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Solution

The fourth proportional to 479,529.71, 661,747.77 and 264,669.71 is: 365,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,529.71 : 661,747.77 = 264,669.71 : x
  2. Step 2: Convert to fraction form
    479,529.71/661,747.77 = 264,669.71/x
  3. Step 3: Cross multiply
    479,529.71x = 661,747.77 × 264,669.71
  4. Step 4: Simplify right side
    479,529.71x = 175,144,587,070.31
  5. Step 5: Solve for x
    x = 175,144,587,070.31/479,529.71
  6. Step 6: Final answer
    x = 365,242.41

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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.