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Finding the Fourth Proportional to 556,068.36, 833,974.62 and 331,492.20

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Solution

The fourth proportional to 556,068.36, 833,974.62 and 331,492.20 is: 497,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,068.36 : 833,974.62 = 331,492.20 : x
  2. Step 2: Convert to fraction form
    556,068.36/833,974.62 = 331,492.20/x
  3. Step 3: Cross multiply
    556,068.36x = 833,974.62 × 331,492.20
  4. Step 4: Simplify right side
    556,068.36x = 276,456,081,527.96
  5. Step 5: Solve for x
    x = 276,456,081,527.96/556,068.36
  6. Step 6: Final answer
    x = 497,162.04

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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.