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Finding the Fourth Proportional to 360,225.82, 540,277.44 and 120,312.52

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Solution

The fourth proportional to 360,225.82, 540,277.44 and 120,312.52 is: 180,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,225.82 : 540,277.44 = 120,312.52 : x
  2. Step 2: Convert to fraction form
    360,225.82/540,277.44 = 120,312.52/x
  3. Step 3: Cross multiply
    360,225.82x = 540,277.44 × 120,312.52
  4. Step 4: Simplify right side
    360,225.82x = 65,002,140,305.55
  5. Step 5: Solve for x
    x = 65,002,140,305.55/360,225.82
  6. Step 6: Final answer
    x = 180,448.31

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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.