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Finding the Fourth Proportional to 370,682.50, 555,388.88 and 202,320.90

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Solution

The fourth proportional to 370,682.50, 555,388.88 and 202,320.90 is: 303,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,682.50 : 555,388.88 = 202,320.90 : x
  2. Step 2: Convert to fraction form
    370,682.50/555,388.88 = 202,320.90/x
  3. Step 3: Cross multiply
    370,682.50x = 555,388.88 × 202,320.90
  4. Step 4: Simplify right side
    370,682.50x = 112,366,778,051.59
  5. Step 5: Solve for x
    x = 112,366,778,051.59/370,682.50
  6. Step 6: Final answer
    x = 303,134.83

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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.