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Finding the Fourth Proportional to 521,493.44, 719,601.48 and 292,018.82

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Solution

The fourth proportional to 521,493.44, 719,601.48 and 292,018.82 is: 402,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,493.44 : 719,601.48 = 292,018.82 : x
  2. Step 2: Convert to fraction form
    521,493.44/719,601.48 = 292,018.82/x
  3. Step 3: Cross multiply
    521,493.44x = 719,601.48 × 292,018.82
  4. Step 4: Simplify right side
    521,493.44x = 210,137,175,059.85
  5. Step 5: Solve for x
    x = 210,137,175,059.85/521,493.44
  6. Step 6: Final answer
    x = 402,952.67

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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.