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Finding the Fourth Proportional to 303,983.16, 455,813.45 and 152,014.01

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Solution

The fourth proportional to 303,983.16, 455,813.45 and 152,014.01 is: 227,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,983.16 : 455,813.45 = 152,014.01 : x
  2. Step 2: Convert to fraction form
    303,983.16/455,813.45 = 152,014.01/x
  3. Step 3: Cross multiply
    303,983.16x = 455,813.45 × 152,014.01
  4. Step 4: Simplify right side
    303,983.16x = 69,290,027,307.30
  5. Step 5: Solve for x
    x = 69,290,027,307.30/303,983.16
  6. Step 6: Final answer
    x = 227,940.35

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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.