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Finding the Fourth Proportional to 272,004.60, 407,085.30 and 272,004.60

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Solution

The fourth proportional to 272,004.60, 407,085.30 and 272,004.60 is: 407,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,004.60 : 407,085.30 = 272,004.60 : x
  2. Step 2: Convert to fraction form
    272,004.60/407,085.30 = 272,004.60/x
  3. Step 3: Cross multiply
    272,004.60x = 407,085.30 × 272,004.60
  4. Step 4: Simplify right side
    272,004.60x = 110,729,074,192.38
  5. Step 5: Solve for x
    x = 110,729,074,192.38/272,004.60
  6. Step 6: Final answer
    x = 407,085.30

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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.