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Finding the Fourth Proportional to 502,108.88, 692,915.72 and 275,754.38

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Solution

The fourth proportional to 502,108.88, 692,915.72 and 275,754.38 is: 380,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,108.88 : 692,915.72 = 275,754.38 : x
  2. Step 2: Convert to fraction form
    502,108.88/692,915.72 = 275,754.38/x
  3. Step 3: Cross multiply
    502,108.88x = 692,915.72 × 275,754.38
  4. Step 4: Simplify right side
    502,108.88x = 191,074,539,917.50
  5. Step 5: Solve for x
    x = 191,074,539,917.50/502,108.88
  6. Step 6: Final answer
    x = 380,544.04

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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.