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Finding the Fourth Proportional to 630,164.80, 945,306.06 and 250,994.08

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Solution

The fourth proportional to 630,164.80, 945,306.06 and 250,994.08 is: 376,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,164.80 : 945,306.06 = 250,994.08 : x
  2. Step 2: Convert to fraction form
    630,164.80/945,306.06 = 250,994.08/x
  3. Step 3: Cross multiply
    630,164.80x = 945,306.06 × 250,994.08
  4. Step 4: Simplify right side
    630,164.80x = 237,266,224,848.13
  5. Step 5: Solve for x
    x = 237,266,224,848.13/630,164.80
  6. Step 6: Final answer
    x = 376,514.56

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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.