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Finding the Fourth Proportional to 500,602.48, 750,906.24 and 126,625.84

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Solution

The fourth proportional to 500,602.48, 750,906.24 and 126,625.84 is: 189,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,602.48 : 750,906.24 = 126,625.84 : x
  2. Step 2: Convert to fraction form
    500,602.48/750,906.24 = 126,625.84/x
  3. Step 3: Cross multiply
    500,602.48x = 750,906.24 × 126,625.84
  4. Step 4: Simplify right side
    500,602.48x = 95,084,133,401.24
  5. Step 5: Solve for x
    x = 95,084,133,401.24/500,602.48
  6. Step 6: Final answer
    x = 189,939.40

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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.