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Finding the Fourth Proportional to 704,345.29, 971,970.22 and 382,044.67

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Solution

The fourth proportional to 704,345.29, 971,970.22 and 382,044.67 is: 527,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,345.29 : 971,970.22 = 382,044.67 : x
  2. Step 2: Convert to fraction form
    704,345.29/971,970.22 = 382,044.67/x
  3. Step 3: Cross multiply
    704,345.29x = 971,970.22 × 382,044.67
  4. Step 4: Simplify right side
    704,345.29x = 371,336,041,949.73
  5. Step 5: Solve for x
    x = 371,336,041,949.73/704,345.29
  6. Step 6: Final answer
    x = 527,207.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.