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Finding the Fourth Proportional to 474,406.71, 654,688.64 and 259,550.37

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Solution

The fourth proportional to 474,406.71, 654,688.64 and 259,550.37 is: 358,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,406.71 : 654,688.64 = 259,550.37 : x
  2. Step 2: Convert to fraction form
    474,406.71/654,688.64 = 259,550.37/x
  3. Step 3: Cross multiply
    474,406.71x = 654,688.64 × 259,550.37
  4. Step 4: Simplify right side
    474,406.71x = 169,924,678,746.80
  5. Step 5: Solve for x
    x = 169,924,678,746.80/474,406.71
  6. Step 6: Final answer
    x = 358,183.55

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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.