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Finding the Fourth Proportional to 203,303.46, 304,932.12 and 53,555.46

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Solution

The fourth proportional to 203,303.46, 304,932.12 and 53,555.46 is: 80,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,303.46 : 304,932.12 = 53,555.46 : x
  2. Step 2: Convert to fraction form
    203,303.46/304,932.12 = 53,555.46/x
  3. Step 3: Cross multiply
    203,303.46x = 304,932.12 × 53,555.46
  4. Step 4: Simplify right side
    203,303.46x = 16,330,779,955.38
  5. Step 5: Solve for x
    x = 16,330,779,955.38/203,303.46
  6. Step 6: Final answer
    x = 80,327.11

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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.