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Finding the Fourth Proportional to 647,192.46, 893,101.22 and 375,271.82

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Solution

The fourth proportional to 647,192.46, 893,101.22 and 375,271.82 is: 517,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,192.46 : 893,101.22 = 375,271.82 : x
  2. Step 2: Convert to fraction form
    647,192.46/893,101.22 = 375,271.82/x
  3. Step 3: Cross multiply
    647,192.46x = 893,101.22 × 375,271.82
  4. Step 4: Simplify right side
    647,192.46x = 335,155,713,931.76
  5. Step 5: Solve for x
    x = 335,155,713,931.76/647,192.46
  6. Step 6: Final answer
    x = 517,860.97

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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.