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Finding the Fourth Proportional to 354,210.25, 488,810.46 and 193,062.07

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Solution

The fourth proportional to 354,210.25, 488,810.46 and 193,062.07 is: 266,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,210.25 : 488,810.46 = 193,062.07 : x
  2. Step 2: Convert to fraction form
    354,210.25/488,810.46 = 193,062.07/x
  3. Step 3: Cross multiply
    354,210.25x = 488,810.46 × 193,062.07
  4. Step 4: Simplify right side
    354,210.25x = 94,370,759,245.25
  5. Step 5: Solve for x
    x = 94,370,759,245.25/354,210.25
  6. Step 6: Final answer
    x = 266,425.83

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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.