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Finding the Fourth Proportional to 243,498.70, 364,591.95 and 191,010.70

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Solution

The fourth proportional to 243,498.70, 364,591.95 and 191,010.70 is: 286,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,498.70 : 364,591.95 = 191,010.70 : x
  2. Step 2: Convert to fraction form
    243,498.70/364,591.95 = 191,010.70/x
  3. Step 3: Cross multiply
    243,498.70x = 364,591.95 × 191,010.70
  4. Step 4: Simplify right side
    243,498.70x = 69,640,963,583.87
  5. Step 5: Solve for x
    x = 69,640,963,583.87/243,498.70
  6. Step 6: Final answer
    x = 286,001.38

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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.