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Finding the Fourth Proportional to 283,228.52, 390,656.26 and 186,401.52

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Solution

The fourth proportional to 283,228.52, 390,656.26 and 186,401.52 is: 257,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,228.52 : 390,656.26 = 186,401.52 : x
  2. Step 2: Convert to fraction form
    283,228.52/390,656.26 = 186,401.52/x
  3. Step 3: Cross multiply
    283,228.52x = 390,656.26 × 186,401.52
  4. Step 4: Simplify right side
    283,228.52x = 72,818,920,661.52
  5. Step 5: Solve for x
    x = 72,818,920,661.52/283,228.52
  6. Step 6: Final answer
    x = 257,103.07

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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.