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Finding the Fourth Proportional to 647,108.44, 893,012.64 and 375,337.24

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Solution

The fourth proportional to 647,108.44, 893,012.64 and 375,337.24 is: 517,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,108.44 : 893,012.64 = 375,337.24 : x
  2. Step 2: Convert to fraction form
    647,108.44/893,012.64 = 375,337.24/x
  3. Step 3: Cross multiply
    647,108.44x = 893,012.64 × 375,337.24
  4. Step 4: Simplify right side
    647,108.44x = 335,180,899,582.71
  5. Step 5: Solve for x
    x = 335,180,899,582.71/647,108.44
  6. Step 6: Final answer
    x = 517,967.13

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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.