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Finding the Fourth Proportional to 499,908.90, 750,038.31 and 144,944.22

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Solution

The fourth proportional to 499,908.90, 750,038.31 and 144,944.22 is: 217,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,908.90 : 750,038.31 = 144,944.22 : x
  2. Step 2: Convert to fraction form
    499,908.90/750,038.31 = 144,944.22/x
  3. Step 3: Cross multiply
    499,908.90x = 750,038.31 × 144,944.22
  4. Step 4: Simplify right side
    499,908.90x = 108,713,717,813.07
  5. Step 5: Solve for x
    x = 108,713,717,813.07/499,908.90
  6. Step 6: Final answer
    x = 217,467.06

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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.