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Finding the Fourth Proportional to 404,780.70, 607,343.85 and 194,310.30

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Solution

The fourth proportional to 404,780.70, 607,343.85 and 194,310.30 is: 291,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,780.70 : 607,343.85 = 194,310.30 : x
  2. Step 2: Convert to fraction form
    404,780.70/607,343.85 = 194,310.30/x
  3. Step 3: Cross multiply
    404,780.70x = 607,343.85 × 194,310.30
  4. Step 4: Simplify right side
    404,780.70x = 118,013,165,696.66
  5. Step 5: Solve for x
    x = 118,013,165,696.66/404,780.70
  6. Step 6: Final answer
    x = 291,548.40

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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.