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Finding the Fourth Proportional to 294,420.66, 441,712.35 and 104,924.40

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Solution

The fourth proportional to 294,420.66, 441,712.35 and 104,924.40 is: 157,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,420.66 : 441,712.35 = 104,924.40 : x
  2. Step 2: Convert to fraction form
    294,420.66/441,712.35 = 104,924.40/x
  3. Step 3: Cross multiply
    294,420.66x = 441,712.35 × 104,924.40
  4. Step 4: Simplify right side
    294,420.66x = 46,346,403,296.34
  5. Step 5: Solve for x
    x = 46,346,403,296.34/294,420.66
  6. Step 6: Final answer
    x = 157,415.59

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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.