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Finding the Fourth Proportional to 364,506.12, 503,030.52 and 198,943.13

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Solution

The fourth proportional to 364,506.12, 503,030.52 and 198,943.13 is: 274,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,506.12 : 503,030.52 = 198,943.13 : x
  2. Step 2: Convert to fraction form
    364,506.12/503,030.52 = 198,943.13/x
  3. Step 3: Cross multiply
    364,506.12x = 503,030.52 × 198,943.13
  4. Step 4: Simplify right side
    364,506.12x = 100,074,466,134.33
  5. Step 5: Solve for x
    x = 100,074,466,134.33/364,506.12
  6. Step 6: Final answer
    x = 274,548.11

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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.