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Finding the Fourth Proportional to 369,449.64, 509,840.58 and 199,683.24

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Solution

The fourth proportional to 369,449.64, 509,840.58 and 199,683.24 is: 275,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,449.64 : 509,840.58 = 199,683.24 : x
  2. Step 2: Convert to fraction form
    369,449.64/509,840.58 = 199,683.24/x
  3. Step 3: Cross multiply
    369,449.64x = 509,840.58 × 199,683.24
  4. Step 4: Simplify right side
    369,449.64x = 101,806,618,897.88
  5. Step 5: Solve for x
    x = 101,806,618,897.88/369,449.64
  6. Step 6: Final answer
    x = 275,562.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.