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Finding the Fourth Proportional to 383,384.37, 529,100.84 and 211,332.93

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Solution

The fourth proportional to 383,384.37, 529,100.84 and 211,332.93 is: 291,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.37 : 529,100.84 = 211,332.93 : x
  2. Step 2: Convert to fraction form
    383,384.37/529,100.84 = 211,332.93/x
  3. Step 3: Cross multiply
    383,384.37x = 529,100.84 × 211,332.93
  4. Step 4: Simplify right side
    383,384.37x = 111,816,429,326.87
  5. Step 5: Solve for x
    x = 111,816,429,326.87/383,384.37
  6. Step 6: Final answer
    x = 291,656.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.