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Finding the Fourth Proportional to 331,333.80, 497,259.90 and 153,862.80

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Solution

The fourth proportional to 331,333.80, 497,259.90 and 153,862.80 is: 230,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,333.80 : 497,259.90 = 153,862.80 : x
  2. Step 2: Convert to fraction form
    331,333.80/497,259.90 = 153,862.80/x
  3. Step 3: Cross multiply
    331,333.80x = 497,259.90 × 153,862.80
  4. Step 4: Simplify right side
    331,333.80x = 76,509,800,541.72
  5. Step 5: Solve for x
    x = 76,509,800,541.72/331,333.80
  6. Step 6: Final answer
    x = 230,914.57

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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.