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Finding the Fourth Proportional to 274,897.59, 379,133.76 and 193,495.32

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Solution

The fourth proportional to 274,897.59, 379,133.76 and 193,495.32 is: 266,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,897.59 : 379,133.76 = 193,495.32 : x
  2. Step 2: Convert to fraction form
    274,897.59/379,133.76 = 193,495.32/x
  3. Step 3: Cross multiply
    274,897.59x = 379,133.76 × 193,495.32
  4. Step 4: Simplify right side
    274,897.59x = 73,360,608,214.00
  5. Step 5: Solve for x
    x = 73,360,608,214.00/274,897.59
  6. Step 6: Final answer
    x = 266,865.23

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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.