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Finding the Fourth Proportional to 367,620.90, 551,431.35 and 118,302.90

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Solution

The fourth proportional to 367,620.90, 551,431.35 and 118,302.90 is: 177,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,620.90 : 551,431.35 = 118,302.90 : x
  2. Step 2: Convert to fraction form
    367,620.90/551,431.35 = 118,302.90/x
  3. Step 3: Cross multiply
    367,620.90x = 551,431.35 × 118,302.90
  4. Step 4: Simplify right side
    367,620.90x = 65,235,927,855.92
  5. Step 5: Solve for x
    x = 65,235,927,855.92/367,620.90
  6. Step 6: Final answer
    x = 177,454.35

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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.