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Finding the Fourth Proportional to 446,205.76, 615,768.54 and 242,258.56

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Solution

The fourth proportional to 446,205.76, 615,768.54 and 242,258.56 is: 334,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,205.76 : 615,768.54 = 242,258.56 : x
  2. Step 2: Convert to fraction form
    446,205.76/615,768.54 = 242,258.56/x
  3. Step 3: Cross multiply
    446,205.76x = 615,768.54 × 242,258.56
  4. Step 4: Simplify right side
    446,205.76x = 149,175,199,793.70
  5. Step 5: Solve for x
    x = 149,175,199,793.70/446,205.76
  6. Step 6: Final answer
    x = 334,319.31

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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.