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Finding the Fourth Proportional to 446,064.53, 615,569.66 and 242,115.49

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Solution

The fourth proportional to 446,064.53, 615,569.66 and 242,115.49 is: 334,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,064.53 : 615,569.66 = 242,115.49 : x
  2. Step 2: Convert to fraction form
    446,064.53/615,569.66 = 242,115.49/x
  3. Step 3: Cross multiply
    446,064.53x = 615,569.66 × 242,115.49
  4. Step 4: Simplify right side
    446,064.53x = 149,038,952,213.92
  5. Step 5: Solve for x
    x = 149,038,952,213.92/446,064.53
  6. Step 6: Final answer
    x = 334,119.71

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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.