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Finding the Fourth Proportional to 369,649.53, 510,115.95 and 199,883.25

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Solution

The fourth proportional to 369,649.53, 510,115.95 and 199,883.25 is: 275,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,649.53 : 510,115.95 = 199,883.25 : x
  2. Step 2: Convert to fraction form
    369,649.53/510,115.95 = 199,883.25/x
  3. Step 3: Cross multiply
    369,649.53x = 510,115.95 × 199,883.25
  4. Step 4: Simplify right side
    369,649.53x = 101,963,633,962.84
  5. Step 5: Solve for x
    x = 101,963,633,962.84/369,649.53
  6. Step 6: Final answer
    x = 275,838.67

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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.