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Finding the Fourth Proportional to 469,062.63, 647,306.99 and 254,202.69

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Solution

The fourth proportional to 469,062.63, 647,306.99 and 254,202.69 is: 350,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,062.63 : 647,306.99 = 254,202.69 : x
  2. Step 2: Convert to fraction form
    469,062.63/647,306.99 = 254,202.69/x
  3. Step 3: Cross multiply
    469,062.63x = 647,306.99 × 254,202.69
  4. Step 4: Simplify right side
    469,062.63x = 164,547,176,842.79
  5. Step 5: Solve for x
    x = 164,547,176,842.79/469,062.63
  6. Step 6: Final answer
    x = 350,800.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.