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Finding the Fourth Proportional to 360,009.60, 540,014.40 and 248,035.20

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Solution

The fourth proportional to 360,009.60, 540,014.40 and 248,035.20 is: 372,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,009.60 : 540,014.40 = 248,035.20 : x
  2. Step 2: Convert to fraction form
    360,009.60/540,014.40 = 248,035.20/x
  3. Step 3: Cross multiply
    360,009.60x = 540,014.40 × 248,035.20
  4. Step 4: Simplify right side
    360,009.60x = 133,942,579,706.88
  5. Step 5: Solve for x
    x = 133,942,579,706.88/360,009.60
  6. Step 6: Final answer
    x = 372,052.80

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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.