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Finding the Fourth Proportional to 580,117.52, 800,610.40 and 322,018.71

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Solution

The fourth proportional to 580,117.52, 800,610.40 and 322,018.71 is: 444,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,117.52 : 800,610.40 = 322,018.71 : x
  2. Step 2: Convert to fraction form
    580,117.52/800,610.40 = 322,018.71/x
  3. Step 3: Cross multiply
    580,117.52x = 800,610.40 × 322,018.71
  4. Step 4: Simplify right side
    580,117.52x = 257,811,528,220.58
  5. Step 5: Solve for x
    x = 257,811,528,220.58/580,117.52
  6. Step 6: Final answer
    x = 444,412.59

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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.