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Finding the Fourth Proportional to 349,684.89, 522,536.67 and 262,562.79

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Solution

The fourth proportional to 349,684.89, 522,536.67 and 262,562.79 is: 392,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,684.89 : 522,536.67 = 262,562.79 : x
  2. Step 2: Convert to fraction form
    349,684.89/522,536.67 = 262,562.79/x
  3. Step 3: Cross multiply
    349,684.89x = 522,536.67 × 262,562.79
  4. Step 4: Simplify right side
    349,684.89x = 137,198,685,952.51
  5. Step 5: Solve for x
    x = 137,198,685,952.51/349,684.89
  6. Step 6: Final answer
    x = 392,349.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.