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Finding the Fourth Proportional to 647,295.15, 893,650.02 and 575,476.42

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Solution

The fourth proportional to 647,295.15, 893,650.02 and 575,476.42 is: 794,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,295.15 : 893,650.02 = 575,476.42 : x
  2. Step 2: Convert to fraction form
    647,295.15/893,650.02 = 575,476.42/x
  3. Step 3: Cross multiply
    647,295.15x = 893,650.02 × 575,476.42
  4. Step 4: Simplify right side
    647,295.15x = 514,274,509,774.28
  5. Step 5: Solve for x
    x = 514,274,509,774.28/647,295.15
  6. Step 6: Final answer
    x = 794,497.71

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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.