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Finding the Fourth Proportional to 500,534.78, 750,860.49 and 163,600.70

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Solution

The fourth proportional to 500,534.78, 750,860.49 and 163,600.70 is: 245,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,534.78 : 750,860.49 = 163,600.70 : x
  2. Step 2: Convert to fraction form
    500,534.78/750,860.49 = 163,600.70/x
  3. Step 3: Cross multiply
    500,534.78x = 750,860.49 × 163,600.70
  4. Step 4: Simplify right side
    500,534.78x = 122,841,301,766.34
  5. Step 5: Solve for x
    x = 122,841,301,766.34/500,534.78
  6. Step 6: Final answer
    x = 245,420.11

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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.