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Finding the Fourth Proportional to 245,279.34, 338,044.59 and 181,506.42

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Solution

The fourth proportional to 245,279.34, 338,044.59 and 181,506.42 is: 250,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,279.34 : 338,044.59 = 181,506.42 : x
  2. Step 2: Convert to fraction form
    245,279.34/338,044.59 = 181,506.42/x
  3. Step 3: Cross multiply
    245,279.34x = 338,044.59 × 181,506.42
  4. Step 4: Simplify right side
    245,279.34x = 61,357,263,331.27
  5. Step 5: Solve for x
    x = 61,357,263,331.27/245,279.34
  6. Step 6: Final answer
    x = 250,152.59

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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.