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Finding the Fourth Proportional to 600,003.90, 900,015.45 and 156,771.90

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Solution

The fourth proportional to 600,003.90, 900,015.45 and 156,771.90 is: 235,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,003.90 : 900,015.45 = 156,771.90 : x
  2. Step 2: Convert to fraction form
    600,003.90/900,015.45 = 156,771.90/x
  3. Step 3: Cross multiply
    600,003.90x = 900,015.45 × 156,771.90
  4. Step 4: Simplify right side
    600,003.90x = 141,097,132,125.86
  5. Step 5: Solve for x
    x = 141,097,132,125.86/600,003.90
  6. Step 6: Final answer
    x = 235,160.36

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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.