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Finding the Fourth Proportional to 647,756.88, 893,577.60 and 433,182.48

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Solution

The fourth proportional to 647,756.88, 893,577.60 and 433,182.48 is: 597,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,756.88 : 893,577.60 = 433,182.48 : x
  2. Step 2: Convert to fraction form
    647,756.88/893,577.60 = 433,182.48/x
  3. Step 3: Cross multiply
    647,756.88x = 893,577.60 × 433,182.48
  4. Step 4: Simplify right side
    647,756.88x = 387,082,160,840.45
  5. Step 5: Solve for x
    x = 387,082,160,840.45/647,756.88
  6. Step 6: Final answer
    x = 597,573.21

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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.