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Finding the Fourth Proportional to 864,497.17, 1,296,808.04 and 332,018.20

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Solution

The fourth proportional to 864,497.17, 1,296,808.04 and 332,018.20 is: 498,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,497.17 : 1,296,808.04 = 332,018.20 : x
  2. Step 2: Convert to fraction form
    864,497.17/1,296,808.04 = 332,018.20/x
  3. Step 3: Cross multiply
    864,497.17x = 1,296,808.04 × 332,018.20
  4. Step 4: Simplify right side
    864,497.17x = 430,563,866,284.22
  5. Step 5: Solve for x
    x = 430,563,866,284.22/864,497.17
  6. Step 6: Final answer
    x = 498,051.22

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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.