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Finding the Fourth Proportional to 502,003.62, 692,763.57 and 300,799.62

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Solution

The fourth proportional to 502,003.62, 692,763.57 and 300,799.62 is: 415,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,003.62 : 692,763.57 = 300,799.62 : x
  2. Step 2: Convert to fraction form
    502,003.62/692,763.57 = 300,799.62/x
  3. Step 3: Cross multiply
    502,003.62x = 692,763.57 × 300,799.62
  4. Step 4: Simplify right side
    502,003.62x = 208,383,018,605.84
  5. Step 5: Solve for x
    x = 208,383,018,605.84/502,003.62
  6. Step 6: Final answer
    x = 415,102.62

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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.