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Finding the Fourth Proportional to 360,281.40, 540,729.30 and 160,908.60

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Solution

The fourth proportional to 360,281.40, 540,729.30 and 160,908.60 is: 241,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,281.40 : 540,729.30 = 160,908.60 : x
  2. Step 2: Convert to fraction form
    360,281.40/540,729.30 = 160,908.60/x
  3. Step 3: Cross multiply
    360,281.40x = 540,729.30 × 160,908.60
  4. Step 4: Simplify right side
    360,281.40x = 87,007,994,641.98
  5. Step 5: Solve for x
    x = 87,007,994,641.98/360,281.40
  6. Step 6: Final answer
    x = 241,500.10

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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.