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Finding the Fourth Proportional to 532,129.40, 796,881.90 and 353,670.20

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Solution

The fourth proportional to 532,129.40, 796,881.90 and 353,670.20 is: 529,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,129.40 : 796,881.90 = 353,670.20 : x
  2. Step 2: Convert to fraction form
    532,129.40/796,881.90 = 353,670.20/x
  3. Step 3: Cross multiply
    532,129.40x = 796,881.90 × 353,670.20
  4. Step 4: Simplify right side
    532,129.40x = 281,833,380,949.38
  5. Step 5: Solve for x
    x = 281,833,380,949.38/532,129.40
  6. Step 6: Final answer
    x = 529,633.17

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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.