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Finding the Fourth Proportional to 270,570.32, 373,445.88 and 157,407.92

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Solution

The fourth proportional to 270,570.32, 373,445.88 and 157,407.92 is: 217,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,570.32 : 373,445.88 = 157,407.92 : x
  2. Step 2: Convert to fraction form
    270,570.32/373,445.88 = 157,407.92/x
  3. Step 3: Cross multiply
    270,570.32x = 373,445.88 × 157,407.92
  4. Step 4: Simplify right side
    270,570.32x = 58,783,339,203.37
  5. Step 5: Solve for x
    x = 58,783,339,203.37/270,570.32
  6. Step 6: Final answer
    x = 217,257.16

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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.