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Finding the Fourth Proportional to 647,176.43, 893,107.62 and 360,714.67

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Solution

The fourth proportional to 647,176.43, 893,107.62 and 360,714.67 is: 497,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,176.43 : 893,107.62 = 360,714.67 : x
  2. Step 2: Convert to fraction form
    647,176.43/893,107.62 = 360,714.67/x
  3. Step 3: Cross multiply
    647,176.43x = 893,107.62 × 360,714.67
  4. Step 4: Simplify right side
    647,176.43x = 322,157,018,190.02
  5. Step 5: Solve for x
    x = 322,157,018,190.02/647,176.43
  6. Step 6: Final answer
    x = 497,788.55

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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.