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Finding the Fourth Proportional to 630,165.30, 945,306.81 and 250,994.58

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Solution

The fourth proportional to 630,165.30, 945,306.81 and 250,994.58 is: 376,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,165.30 : 945,306.81 = 250,994.58 : x
  2. Step 2: Convert to fraction form
    630,165.30/945,306.81 = 250,994.58/x
  3. Step 3: Cross multiply
    630,165.30x = 945,306.81 × 250,994.58
  4. Step 4: Simplify right side
    630,165.30x = 237,266,885,747.09
  5. Step 5: Solve for x
    x = 237,266,885,747.09/630,165.30
  6. Step 6: Final answer
    x = 376,515.31

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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.