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Finding the Fourth Proportional to 446,568.71, 616,261.50 and 242,621.30

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Solution

The fourth proportional to 446,568.71, 616,261.50 and 242,621.30 is: 334,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,568.71 : 616,261.50 = 242,621.30 : x
  2. Step 2: Convert to fraction form
    446,568.71/616,261.50 = 242,621.30/x
  3. Step 3: Cross multiply
    446,568.71x = 616,261.50 × 242,621.30
  4. Step 4: Simplify right side
    446,568.71x = 149,518,167,810.60
  5. Step 5: Solve for x
    x = 149,518,167,810.60/446,568.71
  6. Step 6: Final answer
    x = 334,815.60

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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.