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Finding the Fourth Proportional to 637,383.21, 956,077.16 and 238,019.73

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Solution

The fourth proportional to 637,383.21, 956,077.16 and 238,019.73 is: 357,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,383.21 : 956,077.16 = 238,019.73 : x
  2. Step 2: Convert to fraction form
    637,383.21/956,077.16 = 238,019.73/x
  3. Step 3: Cross multiply
    637,383.21x = 956,077.16 × 238,019.73
  4. Step 4: Simplify right side
    637,383.21x = 227,565,226,292.27
  5. Step 5: Solve for x
    x = 227,565,226,292.27/637,383.21
  6. Step 6: Final answer
    x = 357,030.47

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Double scale
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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.