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Finding the Fourth Proportional to 569,371.40, 854,322.78 and 253,795.40

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Solution

The fourth proportional to 569,371.40, 854,322.78 and 253,795.40 is: 380,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,371.40 : 854,322.78 = 253,795.40 : x
  2. Step 2: Convert to fraction form
    569,371.40/854,322.78 = 253,795.40/x
  3. Step 3: Cross multiply
    569,371.40x = 854,322.78 × 253,795.40
  4. Step 4: Simplify right side
    569,371.40x = 216,823,191,679.21
  5. Step 5: Solve for x
    x = 216,823,191,679.21/569,371.40
  6. Step 6: Final answer
    x = 380,811.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.