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Finding the Fourth Proportional to 469,156.44, 703,738.50 and 307,187.05

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Solution

The fourth proportional to 469,156.44, 703,738.50 and 307,187.05 is: 460,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,156.44 : 703,738.50 = 307,187.05 : x
  2. Step 2: Convert to fraction form
    469,156.44/703,738.50 = 307,187.05/x
  3. Step 3: Cross multiply
    469,156.44x = 703,738.50 × 307,187.05
  4. Step 4: Simplify right side
    469,156.44x = 216,179,349,873.72
  5. Step 5: Solve for x
    x = 216,179,349,873.72/469,156.44
  6. Step 6: Final answer
    x = 460,783.08

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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.