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Finding the Fourth Proportional to 356,771.16, 534,106.96 and 238,148.28

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Solution

The fourth proportional to 356,771.16, 534,106.96 and 238,148.28 is: 356,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,771.16 : 534,106.96 = 238,148.28 : x
  2. Step 2: Convert to fraction form
    356,771.16/534,106.96 = 238,148.28/x
  3. Step 3: Cross multiply
    356,771.16x = 534,106.96 × 238,148.28
  4. Step 4: Simplify right side
    356,771.16x = 127,196,653,860.03
  5. Step 5: Solve for x
    x = 127,196,653,860.03/356,771.16
  6. Step 6: Final answer
    x = 356,521.68

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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.