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Finding the Fourth Proportional to 338,498.38, 467,127.76 and 187,605.10

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Solution

The fourth proportional to 338,498.38, 467,127.76 and 187,605.10 is: 258,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,498.38 : 467,127.76 = 187,605.10 : x
  2. Step 2: Convert to fraction form
    338,498.38/467,127.76 = 187,605.10/x
  3. Step 3: Cross multiply
    338,498.38x = 467,127.76 × 187,605.10
  4. Step 4: Simplify right side
    338,498.38x = 87,635,547,322.92
  5. Step 5: Solve for x
    x = 87,635,547,322.92/338,498.38
  6. Step 6: Final answer
    x = 258,895.03

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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.