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Finding the Fourth Proportional to 647,258.37, 893,599.75 and 575,440.02

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Solution

The fourth proportional to 647,258.37, 893,599.75 and 575,440.02 is: 794,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,258.37 : 893,599.75 = 575,440.02 : x
  2. Step 2: Convert to fraction form
    647,258.37/893,599.75 = 575,440.02/x
  3. Step 3: Cross multiply
    647,258.37x = 893,599.75 × 575,440.02
  4. Step 4: Simplify right side
    647,258.37x = 514,213,058,007.69
  5. Step 5: Solve for x
    x = 514,213,058,007.69/647,258.37
  6. Step 6: Final answer
    x = 794,447.91

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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.