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Finding the Fourth Proportional to 364,231.80, 546,347.70 and 238,260.60

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Solution

The fourth proportional to 364,231.80, 546,347.70 and 238,260.60 is: 357,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,231.80 : 546,347.70 = 238,260.60 : x
  2. Step 2: Convert to fraction form
    364,231.80/546,347.70 = 238,260.60/x
  3. Step 3: Cross multiply
    364,231.80x = 546,347.70 × 238,260.60
  4. Step 4: Simplify right side
    364,231.80x = 130,173,130,810.62
  5. Step 5: Solve for x
    x = 130,173,130,810.62/364,231.80
  6. Step 6: Final answer
    x = 357,390.90

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Similar ratio
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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.