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Finding the Fourth Proportional to 370,209.08, 555,313.64 and 89,726.33

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Solution

The fourth proportional to 370,209.08, 555,313.64 and 89,726.33 is: 134,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,209.08 : 555,313.64 = 89,726.33 : x
  2. Step 2: Convert to fraction form
    370,209.08/555,313.64 = 89,726.33/x
  3. Step 3: Cross multiply
    370,209.08x = 555,313.64 × 89,726.33
  4. Step 4: Simplify right side
    370,209.08x = 49,826,251,690.94
  5. Step 5: Solve for x
    x = 49,826,251,690.94/370,209.08
  6. Step 6: Final answer
    x = 134,589.49

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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.