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Finding the Fourth Proportional to 529,434.81, 793,706.11 and 229,689.86

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Solution

The fourth proportional to 529,434.81, 793,706.11 and 229,689.86 is: 344,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,434.81 : 793,706.11 = 229,689.86 : x
  2. Step 2: Convert to fraction form
    529,434.81/793,706.11 = 229,689.86/x
  3. Step 3: Cross multiply
    529,434.81x = 793,706.11 × 229,689.86
  4. Step 4: Simplify right side
    529,434.81x = 182,306,240,744.29
  5. Step 5: Solve for x
    x = 182,306,240,744.29/529,434.81
  6. Step 6: Final answer
    x = 344,341.24

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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.