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Finding the Fourth Proportional to 360,129.42, 540,533.16 and 182,763.72

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Solution

The fourth proportional to 360,129.42, 540,533.16 and 182,763.72 is: 274,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,129.42 : 540,533.16 = 182,763.72 : x
  2. Step 2: Convert to fraction form
    360,129.42/540,533.16 = 182,763.72/x
  3. Step 3: Cross multiply
    360,129.42x = 540,533.16 × 182,763.72
  4. Step 4: Simplify right side
    360,129.42x = 98,789,851,104.96
  5. Step 5: Solve for x
    x = 98,789,851,104.96/360,129.42
  6. Step 6: Final answer
    x = 274,317.64

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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.