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Finding the Fourth Proportional to 528,906.52, 793,359.78 and 154,929.52

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Solution

The fourth proportional to 528,906.52, 793,359.78 and 154,929.52 is: 232,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,906.52 : 793,359.78 = 154,929.52 : x
  2. Step 2: Convert to fraction form
    528,906.52/793,359.78 = 154,929.52/x
  3. Step 3: Cross multiply
    528,906.52x = 793,359.78 × 154,929.52
  4. Step 4: Simplify right side
    528,906.52x = 122,914,849,902.71
  5. Step 5: Solve for x
    x = 122,914,849,902.71/528,906.52
  6. Step 6: Final answer
    x = 232,394.28

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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.