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Finding the Fourth Proportional to 296,342.40, 444,513.60 and 74,726.40

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Solution

The fourth proportional to 296,342.40, 444,513.60 and 74,726.40 is: 112,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,342.40 : 444,513.60 = 74,726.40 : x
  2. Step 2: Convert to fraction form
    296,342.40/444,513.60 = 74,726.40/x
  3. Step 3: Cross multiply
    296,342.40x = 444,513.60 × 74,726.40
  4. Step 4: Simplify right side
    296,342.40x = 33,216,901,079.04
  5. Step 5: Solve for x
    x = 33,216,901,079.04/296,342.40
  6. Step 6: Final answer
    x = 112,089.60

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1.5x scale

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.