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Finding the Fourth Proportional to 605,027.40, 906,228.90 and 500,051.40

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Solution

The fourth proportional to 605,027.40, 906,228.90 and 500,051.40 is: 748,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,027.40 : 906,228.90 = 500,051.40 : x
  2. Step 2: Convert to fraction form
    605,027.40/906,228.90 = 500,051.40/x
  3. Step 3: Cross multiply
    605,027.40x = 906,228.90 × 500,051.40
  4. Step 4: Simplify right side
    605,027.40x = 453,161,030,165.46
  5. Step 5: Solve for x
    x = 453,161,030,165.46/605,027.40
  6. Step 6: Final answer
    x = 748,992.57

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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.