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Finding the Fourth Proportional to 569,892.60, 854,838.90 and 545,623.80

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Solution

The fourth proportional to 569,892.60, 854,838.90 and 545,623.80 is: 818,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,892.60 : 854,838.90 = 545,623.80 : x
  2. Step 2: Convert to fraction form
    569,892.60/854,838.90 = 545,623.80/x
  3. Step 3: Cross multiply
    569,892.60x = 854,838.90 × 545,623.80
  4. Step 4: Simplify right side
    569,892.60x = 466,420,449,005.82
  5. Step 5: Solve for x
    x = 466,420,449,005.82/569,892.60
  6. Step 6: Final answer
    x = 818,435.70

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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.