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Finding the Fourth Proportional to 566,121.70, 848,482.71 and 285,485.86

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Solution

The fourth proportional to 566,121.70, 848,482.71 and 285,485.86 is: 427,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,121.70 : 848,482.71 = 285,485.86 : x
  2. Step 2: Convert to fraction form
    566,121.70/848,482.71 = 285,485.86/x
  3. Step 3: Cross multiply
    566,121.70x = 848,482.71 × 285,485.86
  4. Step 4: Simplify right side
    566,121.70x = 242,229,816,159.48
  5. Step 5: Solve for x
    x = 242,229,816,159.48/566,121.70
  6. Step 6: Final answer
    x = 427,875.87

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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.