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Finding the Fourth Proportional to 292,834.95, 438,750.51 and 196,591.89

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Solution

The fourth proportional to 292,834.95, 438,750.51 and 196,591.89 is: 294,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,834.95 : 438,750.51 = 196,591.89 : x
  2. Step 2: Convert to fraction form
    292,834.95/438,750.51 = 196,591.89/x
  3. Step 3: Cross multiply
    292,834.95x = 438,750.51 × 196,591.89
  4. Step 4: Simplify right side
    292,834.95x = 86,254,792,907.46
  5. Step 5: Solve for x
    x = 86,254,792,907.46/292,834.95
  6. Step 6: Final answer
    x = 294,550.89

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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.