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Finding the Fourth Proportional to 692,298.90, 955,044.88 and 450,493.25

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Solution

The fourth proportional to 692,298.90, 955,044.88 and 450,493.25 is: 621,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,298.90 : 955,044.88 = 450,493.25 : x
  2. Step 2: Convert to fraction form
    692,298.90/955,044.88 = 450,493.25/x
  3. Step 3: Cross multiply
    692,298.90x = 955,044.88 × 450,493.25
  4. Step 4: Simplify right side
    692,298.90x = 430,241,265,985.60
  5. Step 5: Solve for x
    x = 430,241,265,985.60/692,298.90
  6. Step 6: Final answer
    x = 621,467.50

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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.