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Finding the Fourth Proportional to 259,394.63, 358,131.15 and 162,730.98

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Solution

The fourth proportional to 259,394.63, 358,131.15 and 162,730.98 is: 224,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,394.63 : 358,131.15 = 162,730.98 : x
  2. Step 2: Convert to fraction form
    259,394.63/358,131.15 = 162,730.98/x
  3. Step 3: Cross multiply
    259,394.63x = 358,131.15 × 162,730.98
  4. Step 4: Simplify right side
    259,394.63x = 58,279,033,008.03
  5. Step 5: Solve for x
    x = 58,279,033,008.03/259,394.63
  6. Step 6: Final answer
    x = 224,673.25

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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.