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Finding the Fourth Proportional to 615,406.38, 923,521.91 and 216,048.33

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Solution

The fourth proportional to 615,406.38, 923,521.91 and 216,048.33 is: 324,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,406.38 : 923,521.91 = 216,048.33 : x
  2. Step 2: Convert to fraction form
    615,406.38/923,521.91 = 216,048.33/x
  3. Step 3: Cross multiply
    615,406.38x = 923,521.91 × 216,048.33
  4. Step 4: Simplify right side
    615,406.38x = 199,525,370,377.24
  5. Step 5: Solve for x
    x = 199,525,370,377.24/615,406.38
  6. Step 6: Final answer
    x = 324,217.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.