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Finding the Fourth Proportional to 395,707.32, 546,050.16 and 252,452.07

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Solution

The fourth proportional to 395,707.32, 546,050.16 and 252,452.07 is: 348,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,707.32 : 546,050.16 = 252,452.07 : x
  2. Step 2: Convert to fraction form
    395,707.32/546,050.16 = 252,452.07/x
  3. Step 3: Cross multiply
    395,707.32x = 546,050.16 × 252,452.07
  4. Step 4: Simplify right side
    395,707.32x = 137,851,493,215.83
  5. Step 5: Solve for x
    x = 137,851,493,215.83/395,707.32
  6. Step 6: Final answer
    x = 348,367.31

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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.