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Finding the Fourth Proportional to 360,059.60, 540,089.40 and 123,404.60

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Solution

The fourth proportional to 360,059.60, 540,089.40 and 123,404.60 is: 185,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,059.60 : 540,089.40 = 123,404.60 : x
  2. Step 2: Convert to fraction form
    360,059.60/540,089.40 = 123,404.60/x
  3. Step 3: Cross multiply
    360,059.60x = 540,089.40 × 123,404.60
  4. Step 4: Simplify right side
    360,059.60x = 66,649,516,371.24
  5. Step 5: Solve for x
    x = 66,649,516,371.24/360,059.60
  6. Step 6: Final answer
    x = 185,106.90

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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.