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Finding the Fourth Proportional to 452,685.72, 679,604.76 and 293,428.07

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Solution

The fourth proportional to 452,685.72, 679,604.76 and 293,428.07 is: 440,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,685.72 : 679,604.76 = 293,428.07 : x
  2. Step 2: Convert to fraction form
    452,685.72/679,604.76 = 293,428.07/x
  3. Step 3: Cross multiply
    452,685.72x = 679,604.76 × 293,428.07
  4. Step 4: Simplify right side
    452,685.72x = 199,415,113,089.61
  5. Step 5: Solve for x
    x = 199,415,113,089.61/452,685.72
  6. Step 6: Final answer
    x = 440,515.58

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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.