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Finding the Fourth Proportional to 251,289.68, 346,498.27 and 235,346.45

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Solution

The fourth proportional to 251,289.68, 346,498.27 and 235,346.45 is: 324,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,289.68 : 346,498.27 = 235,346.45 : x
  2. Step 2: Convert to fraction form
    251,289.68/346,498.27 = 235,346.45/x
  3. Step 3: Cross multiply
    251,289.68x = 346,498.27 × 235,346.45
  4. Step 4: Simplify right side
    251,289.68x = 81,547,135,454.78
  5. Step 5: Solve for x
    x = 81,547,135,454.78/251,289.68
  6. Step 6: Final answer
    x = 324,514.47

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1.5x scale

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.