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Finding the Fourth Proportional to 352,816.16, 486,886.88 and 191,671.34

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Solution

The fourth proportional to 352,816.16, 486,886.88 and 191,671.34 is: 264,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,816.16 : 486,886.88 = 191,671.34 : x
  2. Step 2: Convert to fraction form
    352,816.16/486,886.88 = 191,671.34/x
  3. Step 3: Cross multiply
    352,816.16x = 486,886.88 × 191,671.34
  4. Step 4: Simplify right side
    352,816.16x = 93,322,262,414.41
  5. Step 5: Solve for x
    x = 93,322,262,414.41/352,816.16
  6. Step 6: Final answer
    x = 264,506.77

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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.