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Finding the Fourth Proportional to 353,156.85, 529,723.55 and 153,477.44

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Solution

The fourth proportional to 353,156.85, 529,723.55 and 153,477.44 is: 230,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,156.85 : 529,723.55 = 153,477.44 : x
  2. Step 2: Convert to fraction form
    353,156.85/529,723.55 = 153,477.44/x
  3. Step 3: Cross multiply
    353,156.85x = 529,723.55 × 153,477.44
  4. Step 4: Simplify right side
    353,156.85x = 81,300,610,945.71
  5. Step 5: Solve for x
    x = 81,300,610,945.71/353,156.85
  6. Step 6: Final answer
    x = 230,211.05

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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.