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Finding the Fourth Proportional to 442,365.44, 610,473.52 and 248,776.88

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Solution

The fourth proportional to 442,365.44, 610,473.52 and 248,776.88 is: 343,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,365.44 : 610,473.52 = 248,776.88 : x
  2. Step 2: Convert to fraction form
    442,365.44/610,473.52 = 248,776.88/x
  3. Step 3: Cross multiply
    442,365.44x = 610,473.52 × 248,776.88
  4. Step 4: Simplify right side
    442,365.44x = 151,871,697,628.22
  5. Step 5: Solve for x
    x = 151,871,697,628.22/442,365.44
  6. Step 6: Final answer
    x = 343,317.28

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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.