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Finding the Fourth Proportional to 354,323.97, 488,969.94 and 193,180.19

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Solution

The fourth proportional to 354,323.97, 488,969.94 and 193,180.19 is: 266,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,323.97 : 488,969.94 = 193,180.19 : x
  2. Step 2: Convert to fraction form
    354,323.97/488,969.94 = 193,180.19/x
  3. Step 3: Cross multiply
    354,323.97x = 488,969.94 × 193,180.19
  4. Step 4: Simplify right side
    354,323.97x = 94,459,303,468.64
  5. Step 5: Solve for x
    x = 94,459,303,468.64/354,323.97
  6. Step 6: Final answer
    x = 266,590.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.