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Finding the Fourth Proportional to 508,461.98, 701,685.72 and 293,620.82

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Solution

The fourth proportional to 508,461.98, 701,685.72 and 293,620.82 is: 405,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,461.98 : 701,685.72 = 293,620.82 : x
  2. Step 2: Convert to fraction form
    508,461.98/701,685.72 = 293,620.82/x
  3. Step 3: Cross multiply
    508,461.98x = 701,685.72 × 293,620.82
  4. Step 4: Simplify right side
    508,461.98x = 206,029,532,980.26
  5. Step 5: Solve for x
    x = 206,029,532,980.26/508,461.98
  6. Step 6: Final answer
    x = 405,201.46

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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.