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Finding the Fourth Proportional to 229,603.56, 344,492.73 and 207,339.90

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Solution

The fourth proportional to 229,603.56, 344,492.73 and 207,339.90 is: 311,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,603.56 : 344,492.73 = 207,339.90 : x
  2. Step 2: Convert to fraction form
    229,603.56/344,492.73 = 207,339.90/x
  3. Step 3: Cross multiply
    229,603.56x = 344,492.73 × 207,339.90
  4. Step 4: Simplify right side
    229,603.56x = 71,427,088,188.93
  5. Step 5: Solve for x
    x = 71,427,088,188.93/229,603.56
  6. Step 6: Final answer
    x = 311,088.77

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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.