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Finding the Fourth Proportional to 446,113.80, 615,637.83 and 242,164.87

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Solution

The fourth proportional to 446,113.80, 615,637.83 and 242,164.87 is: 334,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,113.80 : 615,637.83 = 242,164.87 : x
  2. Step 2: Convert to fraction form
    446,113.80/615,637.83 = 242,164.87/x
  3. Step 3: Cross multiply
    446,113.80x = 615,637.83 × 242,164.87
  4. Step 4: Simplify right side
    446,113.80x = 149,085,854,438.06
  5. Step 5: Solve for x
    x = 149,085,854,438.06/446,113.80
  6. Step 6: Final answer
    x = 334,187.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.