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Finding the Fourth Proportional to 502,054, 692,839.38 and 275,704.36

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Solution

The fourth proportional to 502,054, 692,839.38 and 275,704.36 is: 380,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,054 : 692,839.38 = 275,704.36 : x
  2. Step 2: Convert to fraction form
    502,054/692,839.38 = 275,704.36/x
  3. Step 3: Cross multiply
    502,054x = 692,839.38 × 275,704.36
  4. Step 4: Simplify right side
    502,054x = 191,018,837,845.70
  5. Step 5: Solve for x
    x = 191,018,837,845.70/502,054
  6. Step 6: Final answer
    x = 380,474.69

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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.