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Finding the Fourth Proportional to 368,117.70, 552,176.55 and 190,970.70

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Solution

The fourth proportional to 368,117.70, 552,176.55 and 190,970.70 is: 286,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,117.70 : 552,176.55 = 190,970.70 : x
  2. Step 2: Convert to fraction form
    368,117.70/552,176.55 = 190,970.70/x
  3. Step 3: Cross multiply
    368,117.70x = 552,176.55 × 190,970.70
  4. Step 4: Simplify right side
    368,117.70x = 105,449,542,277.09
  5. Step 5: Solve for x
    x = 105,449,542,277.09/368,117.70
  6. Step 6: Final answer
    x = 286,456.05

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1.5x scale

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.