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Finding the Fourth Proportional to 436,193.40, 601,905.42 and 254,947.80

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Solution

The fourth proportional to 436,193.40, 601,905.42 and 254,947.80 is: 351,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,193.40 : 601,905.42 = 254,947.80 : x
  2. Step 2: Convert to fraction form
    436,193.40/601,905.42 = 254,947.80/x
  3. Step 3: Cross multiply
    436,193.40x = 601,905.42 × 254,947.80
  4. Step 4: Simplify right side
    436,193.40x = 153,454,462,637.08
  5. Step 5: Solve for x
    x = 153,454,462,637.08/436,193.40
  6. Step 6: Final answer
    x = 351,803.72

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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.