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Finding the Fourth Proportional to 369,094.58, 509,350.54 and 199,328.70

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Solution

The fourth proportional to 369,094.58, 509,350.54 and 199,328.70 is: 275,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,094.58 : 509,350.54 = 199,328.70 : x
  2. Step 2: Convert to fraction form
    369,094.58/509,350.54 = 199,328.70/x
  3. Step 3: Cross multiply
    369,094.58x = 509,350.54 × 199,328.70
  4. Step 4: Simplify right side
    369,094.58x = 101,528,180,982.50
  5. Step 5: Solve for x
    x = 101,528,180,982.50/369,094.58
  6. Step 6: Final answer
    x = 275,073.62

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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.