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Finding the Fourth Proportional to 367,570.90, 551,421.15 and 131,050.90

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Solution

The fourth proportional to 367,570.90, 551,421.15 and 131,050.90 is: 196,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,570.90 : 551,421.15 = 131,050.90 : x
  2. Step 2: Convert to fraction form
    367,570.90/551,421.15 = 131,050.90/x
  3. Step 3: Cross multiply
    367,570.90x = 551,421.15 × 131,050.90
  4. Step 4: Simplify right side
    367,570.90x = 72,264,237,986.54
  5. Step 5: Solve for x
    x = 72,264,237,986.54/367,570.90
  6. Step 6: Final answer
    x = 196,599.45

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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.