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Finding the Fourth Proportional to 238,796.16, 358,256.28 and 70,310.94

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Solution

The fourth proportional to 238,796.16, 358,256.28 and 70,310.94 is: 105,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,796.16 : 358,256.28 = 70,310.94 : x
  2. Step 2: Convert to fraction form
    238,796.16/358,256.28 = 70,310.94/x
  3. Step 3: Cross multiply
    238,796.16x = 358,256.28 × 70,310.94
  4. Step 4: Simplify right side
    238,796.16x = 25,189,335,807.70
  5. Step 5: Solve for x
    x = 25,189,335,807.70/238,796.16
  6. Step 6: Final answer
    x = 105,484.68

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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.