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Finding the Fourth Proportional to 251,851.60, 377,777.40 and 249,227.20

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Solution

The fourth proportional to 251,851.60, 377,777.40 and 249,227.20 is: 373,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,851.60 : 377,777.40 = 249,227.20 : x
  2. Step 2: Convert to fraction form
    251,851.60/377,777.40 = 249,227.20/x
  3. Step 3: Cross multiply
    251,851.60x = 377,777.40 × 249,227.20
  4. Step 4: Simplify right side
    251,851.60x = 94,152,403,625.28
  5. Step 5: Solve for x
    x = 94,152,403,625.28/251,851.60
  6. Step 6: Final answer
    x = 373,840.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.