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Finding the Fourth Proportional to 353,166.10, 529,749.15 and 246,877.90

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Solution

The fourth proportional to 353,166.10, 529,749.15 and 246,877.90 is: 370,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,166.10 : 529,749.15 = 246,877.90 : x
  2. Step 2: Convert to fraction form
    353,166.10/529,749.15 = 246,877.90/x
  3. Step 3: Cross multiply
    353,166.10x = 529,749.15 × 246,877.90
  4. Step 4: Simplify right side
    353,166.10x = 130,783,357,678.79
  5. Step 5: Solve for x
    x = 130,783,357,678.79/353,166.10
  6. Step 6: Final answer
    x = 370,316.85

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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.