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Finding the Fourth Proportional to 452,833, 679,353.18 and 157,345

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Solution

The fourth proportional to 452,833, 679,353.18 and 157,345 is: 236,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,833 : 679,353.18 = 157,345 : x
  2. Step 2: Convert to fraction form
    452,833/679,353.18 = 157,345/x
  3. Step 3: Cross multiply
    452,833x = 679,353.18 × 157,345
  4. Step 4: Simplify right side
    452,833x = 106,892,826,107.10
  5. Step 5: Solve for x
    x = 106,892,826,107.10/452,833
  6. Step 6: Final answer
    x = 236,053.53

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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.