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Finding the Fourth Proportional to 369,989.01, 510,584.85 and 200,223.14

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Solution

The fourth proportional to 369,989.01, 510,584.85 and 200,223.14 is: 276,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,989.01 : 510,584.85 = 200,223.14 : x
  2. Step 2: Convert to fraction form
    369,989.01/510,584.85 = 200,223.14/x
  3. Step 3: Cross multiply
    369,989.01x = 510,584.85 × 200,223.14
  4. Step 4: Simplify right side
    369,989.01x = 102,230,899,350.51
  5. Step 5: Solve for x
    x = 102,230,899,350.51/369,989.01
  6. Step 6: Final answer
    x = 276,307.94

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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.