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Finding the Fourth Proportional to 590,640.68, 814,800.46 and 386,601.68

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Solution

The fourth proportional to 590,640.68, 814,800.46 and 386,601.68 is: 533,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,640.68 : 814,800.46 = 386,601.68 : x
  2. Step 2: Convert to fraction form
    590,640.68/814,800.46 = 386,601.68/x
  3. Step 3: Cross multiply
    590,640.68x = 814,800.46 × 386,601.68
  4. Step 4: Simplify right side
    590,640.68x = 315,003,226,700.77
  5. Step 5: Solve for x
    x = 315,003,226,700.77/590,640.68
  6. Step 6: Final answer
    x = 533,324.64

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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.