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Finding the Fourth Proportional to 599,996.40, 900,004.20 and 156,764.40

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Solution

The fourth proportional to 599,996.40, 900,004.20 and 156,764.40 is: 235,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,996.40 : 900,004.20 = 156,764.40 : x
  2. Step 2: Convert to fraction form
    599,996.40/900,004.20 = 156,764.40/x
  3. Step 3: Cross multiply
    599,996.40x = 900,004.20 × 156,764.40
  4. Step 4: Simplify right side
    599,996.40x = 141,088,618,410.48
  5. Step 5: Solve for x
    x = 141,088,618,410.48/599,996.40
  6. Step 6: Final answer
    x = 235,149.11

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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.