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Finding the Fourth Proportional to 456,922.68, 685,537.11 and 157,609.86

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Solution

The fourth proportional to 456,922.68, 685,537.11 and 157,609.86 is: 236,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,922.68 : 685,537.11 = 157,609.86 : x
  2. Step 2: Convert to fraction form
    456,922.68/685,537.11 = 157,609.86/x
  3. Step 3: Cross multiply
    456,922.68x = 685,537.11 × 157,609.86
  4. Step 4: Simplify right side
    456,922.68x = 108,047,407,931.91
  5. Step 5: Solve for x
    x = 108,047,407,931.91/456,922.68
  6. Step 6: Final answer
    x = 236,467.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.