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Finding the Fourth Proportional to 370,339.20, 552,256.80 and 366,971.20

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Solution

The fourth proportional to 370,339.20, 552,256.80 and 366,971.20 is: 547,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,339.20 : 552,256.80 = 366,971.20 : x
  2. Step 2: Convert to fraction form
    370,339.20/552,256.80 = 366,971.20/x
  3. Step 3: Cross multiply
    370,339.20x = 552,256.80 × 366,971.20
  4. Step 4: Simplify right side
    370,339.20x = 202,662,340,604.16
  5. Step 5: Solve for x
    x = 202,662,340,604.16/370,339.20
  6. Step 6: Final answer
    x = 547,234.37

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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.