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Finding the Fourth Proportional to 569,221.60, 854,816.55 and 303,501.10

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Solution

The fourth proportional to 569,221.60, 854,816.55 and 303,501.10 is: 455,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,221.60 : 854,816.55 = 303,501.10 : x
  2. Step 2: Convert to fraction form
    569,221.60/854,816.55 = 303,501.10/x
  3. Step 3: Cross multiply
    569,221.60x = 854,816.55 × 303,501.10
  4. Step 4: Simplify right side
    569,221.60x = 259,437,763,223.21
  5. Step 5: Solve for x
    x = 259,437,763,223.21/569,221.60
  6. Step 6: Final answer
    x = 455,776.39

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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.