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Finding the Fourth Proportional to 584,339.79, 806,389.73 and 329,714.67

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Solution

The fourth proportional to 584,339.79, 806,389.73 and 329,714.67 is: 455,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,339.79 : 806,389.73 = 329,714.67 : x
  2. Step 2: Convert to fraction form
    584,339.79/806,389.73 = 329,714.67/x
  3. Step 3: Cross multiply
    584,339.79x = 806,389.73 × 329,714.67
  4. Step 4: Simplify right side
    584,339.79x = 265,878,523,718.34
  5. Step 5: Solve for x
    x = 265,878,523,718.34/584,339.79
  6. Step 6: Final answer
    x = 455,006.71

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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.