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Finding the Fourth Proportional to 292,022.30, 438,033.45 and 264,028.70

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Solution

The fourth proportional to 292,022.30, 438,033.45 and 264,028.70 is: 396,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,022.30 : 438,033.45 = 264,028.70 : x
  2. Step 2: Convert to fraction form
    292,022.30/438,033.45 = 264,028.70/x
  3. Step 3: Cross multiply
    292,022.30x = 438,033.45 × 264,028.70
  4. Step 4: Simplify right side
    292,022.30x = 115,653,402,360.02
  5. Step 5: Solve for x
    x = 115,653,402,360.02/292,022.30
  6. Step 6: Final answer
    x = 396,043.05

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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.