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Finding the Fourth Proportional to 305,266.60, 457,897.74 and 94,904.20

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Solution

The fourth proportional to 305,266.60, 457,897.74 and 94,904.20 is: 142,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,266.60 : 457,897.74 = 94,904.20 : x
  2. Step 2: Convert to fraction form
    305,266.60/457,897.74 = 94,904.20/x
  3. Step 3: Cross multiply
    305,266.60x = 457,897.74 × 94,904.20
  4. Step 4: Simplify right side
    305,266.60x = 43,456,418,696.51
  5. Step 5: Solve for x
    x = 43,456,418,696.51/305,266.60
  6. Step 6: Final answer
    x = 142,355.63

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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.