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Finding the Fourth Proportional to 445,718.19, 615,087.47 and 241,768.60

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Solution

The fourth proportional to 445,718.19, 615,087.47 and 241,768.60 is: 333,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,718.19 : 615,087.47 = 241,768.60 : x
  2. Step 2: Convert to fraction form
    445,718.19/615,087.47 = 241,768.60/x
  3. Step 3: Cross multiply
    445,718.19x = 615,087.47 × 241,768.60
  4. Step 4: Simplify right side
    445,718.19x = 148,708,833,752.88
  5. Step 5: Solve for x
    x = 148,708,833,752.88/445,718.19
  6. Step 6: Final answer
    x = 333,638.69

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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.