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Finding the Fourth Proportional to 370,585.36, 555,794.16 and 220,868.20

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Solution

The fourth proportional to 370,585.36, 555,794.16 and 220,868.20 is: 331,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,585.36 : 555,794.16 = 220,868.20 : x
  2. Step 2: Convert to fraction form
    370,585.36/555,794.16 = 220,868.20/x
  3. Step 3: Cross multiply
    370,585.36x = 555,794.16 × 220,868.20
  4. Step 4: Simplify right side
    370,585.36x = 122,757,255,689.71
  5. Step 5: Solve for x
    x = 122,757,255,689.71/370,585.36
  6. Step 6: Final answer
    x = 331,252.31

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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.