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Finding the Fourth Proportional to 562,879.96, 776,783.46 and 308,226.76

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Solution

The fourth proportional to 562,879.96, 776,783.46 and 308,226.76 is: 425,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,879.96 : 776,783.46 = 308,226.76 : x
  2. Step 2: Convert to fraction form
    562,879.96/776,783.46 = 308,226.76/x
  3. Step 3: Cross multiply
    562,879.96x = 776,783.46 × 308,226.76
  4. Step 4: Simplify right side
    562,879.96x = 239,425,449,097.39
  5. Step 5: Solve for x
    x = 239,425,449,097.39/562,879.96
  6. Step 6: Final answer
    x = 425,357.92

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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.