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Finding the Fourth Proportional to 575,856, 794,631.47 and 371,915.82

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Solution

The fourth proportional to 575,856, 794,631.47 and 371,915.82 is: 513,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,856 : 794,631.47 = 371,915.82 : x
  2. Step 2: Convert to fraction form
    575,856/794,631.47 = 371,915.82/x
  3. Step 3: Cross multiply
    575,856x = 794,631.47 × 371,915.82
  4. Step 4: Simplify right side
    575,856x = 295,536,012,903.28
  5. Step 5: Solve for x
    x = 295,536,012,903.28/575,856
  6. Step 6: Final answer
    x = 513,211.66

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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.