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Finding the Fourth Proportional to 700,886.56, 967,223.34 and 378,596.68

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Solution

The fourth proportional to 700,886.56, 967,223.34 and 378,596.68 is: 522,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,886.56 : 967,223.34 = 378,596.68 : x
  2. Step 2: Convert to fraction form
    700,886.56/967,223.34 = 378,596.68/x
  3. Step 3: Cross multiply
    700,886.56x = 967,223.34 × 378,596.68
  4. Step 4: Simplify right side
    700,886.56x = 366,187,545,342.51
  5. Step 5: Solve for x
    x = 366,187,545,342.51/700,886.56
  6. Step 6: Final answer
    x = 522,463.36

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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.