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Finding the Fourth Proportional to 446,100.45, 615,601.92 and 242,146.98

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Solution

The fourth proportional to 446,100.45, 615,601.92 and 242,146.98 is: 334,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,100.45 : 615,601.92 = 242,146.98 : x
  2. Step 2: Convert to fraction form
    446,100.45/615,601.92 = 242,146.98/x
  3. Step 3: Cross multiply
    446,100.45x = 615,601.92 × 242,146.98
  4. Step 4: Simplify right side
    446,100.45x = 149,066,145,810.20
  5. Step 5: Solve for x
    x = 149,066,145,810.20/446,100.45
  6. Step 6: Final answer
    x = 334,153.77

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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.