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Finding the Fourth Proportional to 310,682.24, 466,018.60 and 139,783.24

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Solution

The fourth proportional to 310,682.24, 466,018.60 and 139,783.24 is: 209,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,682.24 : 466,018.60 = 139,783.24 : x
  2. Step 2: Convert to fraction form
    310,682.24/466,018.60 = 139,783.24/x
  3. Step 3: Cross multiply
    310,682.24x = 466,018.60 × 139,783.24
  4. Step 4: Simplify right side
    310,682.24x = 65,141,589,109.35
  5. Step 5: Solve for x
    x = 65,141,589,109.35/310,682.24
  6. Step 6: Final answer
    x = 209,672.72

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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.