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Finding the Fourth Proportional to 427,993.56, 590,630.58 and 237,006.72

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Solution

The fourth proportional to 427,993.56, 590,630.58 and 237,006.72 is: 327,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,993.56 : 590,630.58 = 237,006.72 : x
  2. Step 2: Convert to fraction form
    427,993.56/590,630.58 = 237,006.72/x
  3. Step 3: Cross multiply
    427,993.56x = 590,630.58 × 237,006.72
  4. Step 4: Simplify right side
    427,993.56x = 139,983,416,497.50
  5. Step 5: Solve for x
    x = 139,983,416,497.50/427,993.56
  6. Step 6: Final answer
    x = 327,068.98

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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.