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Finding the Fourth Proportional to 700,886.16, 967,223.30 and 378,596.23

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Solution

The fourth proportional to 700,886.16, 967,223.30 and 378,596.23 is: 522,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,886.16 : 967,223.30 = 378,596.23 : x
  2. Step 2: Convert to fraction form
    700,886.16/967,223.30 = 378,596.23/x
  3. Step 3: Cross multiply
    700,886.16x = 967,223.30 × 378,596.23
  4. Step 4: Simplify right side
    700,886.16x = 366,187,090,637.12
  5. Step 5: Solve for x
    x = 366,187,090,637.12/700,886.16
  6. Step 6: Final answer
    x = 522,463.01

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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.