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Finding the Fourth Proportional to 338,501, 467,131.38 and 187,607.72

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Solution

The fourth proportional to 338,501, 467,131.38 and 187,607.72 is: 258,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,501 : 467,131.38 = 187,607.72 : x
  2. Step 2: Convert to fraction form
    338,501/467,131.38 = 187,607.72/x
  3. Step 3: Cross multiply
    338,501x = 467,131.38 × 187,607.72
  4. Step 4: Simplify right side
    338,501x = 87,637,453,142.25
  5. Step 5: Solve for x
    x = 87,637,453,142.25/338,501
  6. Step 6: Final answer
    x = 258,898.65

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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.