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Finding the Fourth Proportional to 446,033.08, 615,510 and 242,079.90

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Solution

The fourth proportional to 446,033.08, 615,510 and 242,079.90 is: 334,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,033.08 : 615,510 = 242,079.90 : x
  2. Step 2: Convert to fraction form
    446,033.08/615,510 = 242,079.90/x
  3. Step 3: Cross multiply
    446,033.08x = 615,510 × 242,079.90
  4. Step 4: Simplify right side
    446,033.08x = 149,002,599,249
  5. Step 5: Solve for x
    x = 149,002,599,249/446,033.08
  6. Step 6: Final answer
    x = 334,061.77

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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.