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Finding the Fourth Proportional to 330,460.56, 456,039.72 and 179,560.08

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Solution

The fourth proportional to 330,460.56, 456,039.72 and 179,560.08 is: 247,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,460.56 : 456,039.72 = 179,560.08 : x
  2. Step 2: Convert to fraction form
    330,460.56/456,039.72 = 179,560.08/x
  3. Step 3: Cross multiply
    330,460.56x = 456,039.72 × 179,560.08
  4. Step 4: Simplify right side
    330,460.56x = 81,886,528,606.38
  5. Step 5: Solve for x
    x = 81,886,528,606.38/330,460.56
  6. Step 6: Final answer
    x = 247,795.16

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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.