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Finding the Fourth Proportional to 826,145.16, 1,239,347.46 and 352,833

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Solution

The fourth proportional to 826,145.16, 1,239,347.46 and 352,833 is: 529,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,145.16 : 1,239,347.46 = 352,833 : x
  2. Step 2: Convert to fraction form
    826,145.16/1,239,347.46 = 352,833/x
  3. Step 3: Cross multiply
    826,145.16x = 1,239,347.46 × 352,833
  4. Step 4: Simplify right side
    826,145.16x = 437,282,682,354.18
  5. Step 5: Solve for x
    x = 437,282,682,354.18/826,145.16
  6. Step 6: Final answer
    x = 529,304.90

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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.