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Finding the Fourth Proportional to 356,703.43, 492,509.08 and 229,600.46

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Solution

The fourth proportional to 356,703.43, 492,509.08 and 229,600.46 is: 317,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.43 : 492,509.08 = 229,600.46 : x
  2. Step 2: Convert to fraction form
    356,703.43/492,509.08 = 229,600.46/x
  3. Step 3: Cross multiply
    356,703.43x = 492,509.08 × 229,600.46
  4. Step 4: Simplify right side
    356,703.43x = 113,080,312,793.61
  5. Step 5: Solve for x
    x = 113,080,312,793.61/356,703.43
  6. Step 6: Final answer
    x = 317,014.93

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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.