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Finding the Fourth Proportional to 529,552.07, 793,862.43 and 209,928.45

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Solution

The fourth proportional to 529,552.07, 793,862.43 and 209,928.45 is: 314,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,552.07 : 793,862.43 = 209,928.45 : x
  2. Step 2: Convert to fraction form
    529,552.07/793,862.43 = 209,928.45/x
  3. Step 3: Cross multiply
    529,552.07x = 793,862.43 × 209,928.45
  4. Step 4: Simplify right side
    529,552.07x = 166,654,309,443.13
  5. Step 5: Solve for x
    x = 166,654,309,443.13/529,552.07
  6. Step 6: Final answer
    x = 314,708.07

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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.