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Finding the Fourth Proportional to 473,979.74, 654,099.82 and 283,009.82

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Solution

The fourth proportional to 473,979.74, 654,099.82 and 283,009.82 is: 390,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,979.74 : 654,099.82 = 283,009.82 : x
  2. Step 2: Convert to fraction form
    473,979.74/654,099.82 = 283,009.82/x
  3. Step 3: Cross multiply
    473,979.74x = 654,099.82 × 283,009.82
  4. Step 4: Simplify right side
    473,979.74x = 185,116,672,320.23
  5. Step 5: Solve for x
    x = 185,116,672,320.23/473,979.74
  6. Step 6: Final answer
    x = 390,558.20

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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.