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Finding the Fourth Proportional to 446,693.13, 616,439.16 and 242,745.66

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Solution

The fourth proportional to 446,693.13, 616,439.16 and 242,745.66 is: 334,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,693.13 : 616,439.16 = 242,745.66 : x
  2. Step 2: Convert to fraction form
    446,693.13/616,439.16 = 242,745.66/x
  3. Step 3: Cross multiply
    446,693.13x = 616,439.16 × 242,745.66
  4. Step 4: Simplify right side
    446,693.13x = 149,637,930,744.05
  5. Step 5: Solve for x
    x = 149,637,930,744.05/446,693.13
  6. Step 6: Final answer
    x = 334,990.45

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1.5x scale

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.