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Finding the Fourth Proportional to 331,333.30, 497,259.15 and 153,862.30

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Solution

The fourth proportional to 331,333.30, 497,259.15 and 153,862.30 is: 230,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,333.30 : 497,259.15 = 153,862.30 : x
  2. Step 2: Convert to fraction form
    331,333.30/497,259.15 = 153,862.30/x
  3. Step 3: Cross multiply
    331,333.30x = 497,259.15 × 153,862.30
  4. Step 4: Simplify right side
    331,333.30x = 76,509,436,515.05
  5. Step 5: Solve for x
    x = 76,509,436,515.05/331,333.30
  6. Step 6: Final answer
    x = 230,913.82

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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.