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Finding the Fourth Proportional to 566,786.60, 848,211.60 and 389,639.60

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Solution

The fourth proportional to 566,786.60, 848,211.60 and 389,639.60 is: 583,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,786.60 : 848,211.60 = 389,639.60 : x
  2. Step 2: Convert to fraction form
    566,786.60/848,211.60 = 389,639.60/x
  3. Step 3: Cross multiply
    566,786.60x = 848,211.60 × 389,639.60
  4. Step 4: Simplify right side
    566,786.60x = 330,496,828,539.36
  5. Step 5: Solve for x
    x = 330,496,828,539.36/566,786.60
  6. Step 6: Final answer
    x = 583,106.28

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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.