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Finding the Fourth Proportional to 651,579.31, 898,646.31 and 458,625.77

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Solution

The fourth proportional to 651,579.31, 898,646.31 and 458,625.77 is: 632,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,579.31 : 898,646.31 = 458,625.77 : x
  2. Step 2: Convert to fraction form
    651,579.31/898,646.31 = 458,625.77/x
  3. Step 3: Cross multiply
    651,579.31x = 898,646.31 × 458,625.77
  4. Step 4: Simplify right side
    651,579.31x = 412,142,355,881.41
  5. Step 5: Solve for x
    x = 412,142,355,881.41/651,579.31
  6. Step 6: Final answer
    x = 632,528.30

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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.