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Finding the Fourth Proportional to 630,634.68, 945,925.56 and 293,559.48

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Solution

The fourth proportional to 630,634.68, 945,925.56 and 293,559.48 is: 440,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,634.68 : 945,925.56 = 293,559.48 : x
  2. Step 2: Convert to fraction form
    630,634.68/945,925.56 = 293,559.48/x
  3. Step 3: Cross multiply
    630,634.68x = 945,925.56 × 293,559.48
  4. Step 4: Simplify right side
    630,634.68x = 277,685,415,512.31
  5. Step 5: Solve for x
    x = 277,685,415,512.31/630,634.68
  6. Step 6: Final answer
    x = 440,326.90

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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.