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Finding the Fourth Proportional to 235,714.32, 325,406.28 and 181,878.48

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Solution

The fourth proportional to 235,714.32, 325,406.28 and 181,878.48 is: 251,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,714.32 : 325,406.28 = 181,878.48 : x
  2. Step 2: Convert to fraction form
    235,714.32/325,406.28 = 181,878.48/x
  3. Step 3: Cross multiply
    235,714.32x = 325,406.28 × 181,878.48
  4. Step 4: Simplify right side
    235,714.32x = 59,184,399,588.85
  5. Step 5: Solve for x
    x = 59,184,399,588.85/235,714.32
  6. Step 6: Final answer
    x = 251,085.30

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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.