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Finding the Fourth Proportional to 446,079.12, 615,572.72 and 242,125.73

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Solution

The fourth proportional to 446,079.12, 615,572.72 and 242,125.73 is: 334,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,079.12 : 615,572.72 = 242,125.73 : x
  2. Step 2: Convert to fraction form
    446,079.12/615,572.72 = 242,125.73/x
  3. Step 3: Cross multiply
    446,079.12x = 615,572.72 × 242,125.73
  4. Step 4: Simplify right side
    446,079.12x = 149,045,994,198.09
  5. Step 5: Solve for x
    x = 149,045,994,198.09/446,079.12
  6. Step 6: Final answer
    x = 334,124.57

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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.