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Finding the Fourth Proportional to 367,888.71, 507,825.16 and 214,976.61

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Solution

The fourth proportional to 367,888.71, 507,825.16 and 214,976.61 is: 296,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,888.71 : 507,825.16 = 214,976.61 : x
  2. Step 2: Convert to fraction form
    367,888.71/507,825.16 = 214,976.61/x
  3. Step 3: Cross multiply
    367,888.71x = 507,825.16 × 214,976.61
  4. Step 4: Simplify right side
    367,888.71x = 109,170,528,292.94
  5. Step 5: Solve for x
    x = 109,170,528,292.94/367,888.71
  6. Step 6: Final answer
    x = 296,748.78

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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.