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Finding the Fourth Proportional to 338,873.19, 508,136.19 and 179,034.93

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Solution

The fourth proportional to 338,873.19, 508,136.19 and 179,034.93 is: 268,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,873.19 : 508,136.19 = 179,034.93 : x
  2. Step 2: Convert to fraction form
    338,873.19/508,136.19 = 179,034.93/x
  3. Step 3: Cross multiply
    338,873.19x = 508,136.19 × 179,034.93
  4. Step 4: Simplify right side
    338,873.19x = 90,974,127,207.12
  5. Step 5: Solve for x
    x = 90,974,127,207.12/338,873.19
  6. Step 6: Final answer
    x = 268,460.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.