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Finding the Fourth Proportional to 294,729.12, 406,014.48 and 243,528.48

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Solution

The fourth proportional to 294,729.12, 406,014.48 and 243,528.48 is: 335,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,729.12 : 406,014.48 = 243,528.48 : x
  2. Step 2: Convert to fraction form
    294,729.12/406,014.48 = 243,528.48/x
  3. Step 3: Cross multiply
    294,729.12x = 406,014.48 × 243,528.48
  4. Step 4: Simplify right side
    294,729.12x = 98,876,089,172.39
  5. Step 5: Solve for x
    x = 98,876,089,172.39/294,729.12
  6. Step 6: Final answer
    x = 335,481.24

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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.