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Finding the Fourth Proportional to 238,959.05, 358,438.13 and 70,597.64

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Solution

The fourth proportional to 238,959.05, 358,438.13 and 70,597.64 is: 105,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,959.05 : 358,438.13 = 70,597.64 : x
  2. Step 2: Convert to fraction form
    238,959.05/358,438.13 = 70,597.64/x
  3. Step 3: Cross multiply
    238,959.05x = 358,438.13 × 70,597.64
  4. Step 4: Simplify right side
    238,959.05x = 25,304,886,064.01
  5. Step 5: Solve for x
    x = 25,304,886,064.01/238,959.05
  6. Step 6: Final answer
    x = 105,896.33

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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.