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Finding the Fourth Proportional to 619,230.48, 929,259.96 and 225,246.48

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Solution

The fourth proportional to 619,230.48, 929,259.96 and 225,246.48 is: 338,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,230.48 : 929,259.96 = 225,246.48 : x
  2. Step 2: Convert to fraction form
    619,230.48/929,259.96 = 225,246.48/x
  3. Step 3: Cross multiply
    619,230.48x = 929,259.96 × 225,246.48
  4. Step 4: Simplify right side
    619,230.48x = 209,312,534,994.94
  5. Step 5: Solve for x
    x = 209,312,534,994.94/619,230.48
  6. Step 6: Final answer
    x = 338,020.40

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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.