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Finding the Fourth Proportional to 566,909.54, 782,336.25 and 308,785.69

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Solution

The fourth proportional to 566,909.54, 782,336.25 and 308,785.69 is: 426,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,909.54 : 782,336.25 = 308,785.69 : x
  2. Step 2: Convert to fraction form
    566,909.54/782,336.25 = 308,785.69/x
  3. Step 3: Cross multiply
    566,909.54x = 782,336.25 × 308,785.69
  4. Step 4: Simplify right side
    566,909.54x = 241,574,237,674.32
  5. Step 5: Solve for x
    x = 241,574,237,674.32/566,909.54
  6. Step 6: Final answer
    x = 426,124.84

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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.