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Finding the Fourth Proportional to 401,732.76, 554,650.91 and 248,933.10

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Solution

The fourth proportional to 401,732.76, 554,650.91 and 248,933.10 is: 343,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,732.76 : 554,650.91 = 248,933.10 : x
  2. Step 2: Convert to fraction form
    401,732.76/554,650.91 = 248,933.10/x
  3. Step 3: Cross multiply
    401,732.76x = 554,650.91 × 248,933.10
  4. Step 4: Simplify right side
    401,732.76x = 138,070,970,444.12
  5. Step 5: Solve for x
    x = 138,070,970,444.12/401,732.76
  6. Step 6: Final answer
    x = 343,688.60

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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.