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Finding the Fourth Proportional to 395,656.57, 546,001.72 and 214,357.68

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Solution

The fourth proportional to 395,656.57, 546,001.72 and 214,357.68 is: 295,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,656.57 : 546,001.72 = 214,357.68 : x
  2. Step 2: Convert to fraction form
    395,656.57/546,001.72 = 214,357.68/x
  3. Step 3: Cross multiply
    395,656.57x = 546,001.72 × 214,357.68
  4. Step 4: Simplify right side
    395,656.57x = 117,039,661,975.21
  5. Step 5: Solve for x
    x = 117,039,661,975.21/395,656.57
  6. Step 6: Final answer
    x = 295,811.24

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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.