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Finding the Fourth Proportional to 446,187.72, 615,734.70 and 242,234.22

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Solution

The fourth proportional to 446,187.72, 615,734.70 and 242,234.22 is: 334,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,187.72 : 615,734.70 = 242,234.22 : x
  2. Step 2: Convert to fraction form
    446,187.72/615,734.70 = 242,234.22/x
  3. Step 3: Cross multiply
    446,187.72x = 615,734.70 × 242,234.22
  4. Step 4: Simplify right side
    446,187.72x = 149,152,014,781.43
  5. Step 5: Solve for x
    x = 149,152,014,781.43/446,187.72
  6. Step 6: Final answer
    x = 334,280.86

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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.