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Finding the Fourth Proportional to 569,872.70, 854,117.85 and 253,994.30

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Solution

The fourth proportional to 569,872.70, 854,117.85 and 253,994.30 is: 380,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,872.70 : 854,117.85 = 253,994.30 : x
  2. Step 2: Convert to fraction form
    569,872.70/854,117.85 = 253,994.30/x
  3. Step 3: Cross multiply
    569,872.70x = 854,117.85 × 253,994.30
  4. Step 4: Simplify right side
    569,872.70x = 216,941,065,428.26
  5. Step 5: Solve for x
    x = 216,941,065,428.26/569,872.70
  6. Step 6: Final answer
    x = 380,683.38

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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.