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Finding the Fourth Proportional to 671,621.44, 926,902.98 and 501,560.32

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Solution

The fourth proportional to 671,621.44, 926,902.98 and 501,560.32 is: 692,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,621.44 : 926,902.98 = 501,560.32 : x
  2. Step 2: Convert to fraction form
    671,621.44/926,902.98 = 501,560.32/x
  3. Step 3: Cross multiply
    671,621.44x = 926,902.98 × 501,560.32
  4. Step 4: Simplify right side
    671,621.44x = 464,897,755,257.75
  5. Step 5: Solve for x
    x = 464,897,755,257.75/671,621.44
  6. Step 6: Final answer
    x = 692,202.08

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Double scale
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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.