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Finding the Fourth Proportional to 374,911.52, 517,377.34 and 202,828.92

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Solution

The fourth proportional to 374,911.52, 517,377.34 and 202,828.92 is: 279,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,911.52 : 517,377.34 = 202,828.92 : x
  2. Step 2: Convert to fraction form
    374,911.52/517,377.34 = 202,828.92/x
  3. Step 3: Cross multiply
    374,911.52x = 517,377.34 × 202,828.92
  4. Step 4: Simplify right side
    374,911.52x = 104,939,087,104.67
  5. Step 5: Solve for x
    x = 104,939,087,104.67/374,911.52
  6. Step 6: Final answer
    x = 279,903.61

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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.