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Finding the Fourth Proportional to 303,357.01, 454,681.17 and 228,235.78

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Solution

The fourth proportional to 303,357.01, 454,681.17 and 228,235.78 is: 342,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,357.01 : 454,681.17 = 228,235.78 : x
  2. Step 2: Convert to fraction form
    303,357.01/454,681.17 = 228,235.78/x
  3. Step 3: Cross multiply
    303,357.01x = 454,681.17 × 228,235.78
  4. Step 4: Simplify right side
    303,357.01x = 103,774,511,486.26
  5. Step 5: Solve for x
    x = 103,774,511,486.26/303,357.01
  6. Step 6: Final answer
    x = 342,087.07

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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.