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Finding the Fourth Proportional to 647,296.47, 893,250.51 and 360,810.41

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Solution

The fourth proportional to 647,296.47, 893,250.51 and 360,810.41 is: 497,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,296.47 : 893,250.51 = 360,810.41 : x
  2. Step 2: Convert to fraction form
    647,296.47/893,250.51 = 360,810.41/x
  3. Step 3: Cross multiply
    647,296.47x = 893,250.51 × 360,810.41
  4. Step 4: Simplify right side
    647,296.47x = 322,294,078,279.56
  5. Step 5: Solve for x
    x = 322,294,078,279.56/647,296.47
  6. Step 6: Final answer
    x = 497,907.98

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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.