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Finding the Fourth Proportional to 292,843.95, 438,763.98 and 196,600.92

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Solution

The fourth proportional to 292,843.95, 438,763.98 and 196,600.92 is: 294,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,843.95 : 438,763.98 = 196,600.92 : x
  2. Step 2: Convert to fraction form
    292,843.95/438,763.98 = 196,600.92/x
  3. Step 3: Cross multiply
    292,843.95x = 438,763.98 × 196,600.92
  4. Step 4: Simplify right side
    292,843.95x = 86,261,402,130.86
  5. Step 5: Solve for x
    x = 86,261,402,130.86/292,843.95
  6. Step 6: Final answer
    x = 294,564.40

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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.