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Finding the Fourth Proportional to 630,554.56, 945,805.38 and 293,479.26

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Solution

The fourth proportional to 630,554.56, 945,805.38 and 293,479.26 is: 440,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,554.56 : 945,805.38 = 293,479.26 : x
  2. Step 2: Convert to fraction form
    630,554.56/945,805.38 = 293,479.26/x
  3. Step 3: Cross multiply
    630,554.56x = 945,805.38 × 293,479.26
  4. Step 4: Simplify right side
    630,554.56x = 277,574,263,026.42
  5. Step 5: Solve for x
    x = 277,574,263,026.42/630,554.56
  6. Step 6: Final answer
    x = 440,206.57

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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.