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Finding the Fourth Proportional to 491,036.40, 737,024.40 and 254,548.80

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Solution

The fourth proportional to 491,036.40, 737,024.40 and 254,548.80 is: 382,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,036.40 : 737,024.40 = 254,548.80 : x
  2. Step 2: Convert to fraction form
    491,036.40/737,024.40 = 254,548.80/x
  3. Step 3: Cross multiply
    491,036.40x = 737,024.40 × 254,548.80
  4. Step 4: Simplify right side
    491,036.40x = 187,608,676,590.72
  5. Step 5: Solve for x
    x = 187,608,676,590.72/491,036.40
  6. Step 6: Final answer
    x = 382,066.74

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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.