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Finding the Fourth Proportional to 631,014.54, 870,793.47 and 344,533.74

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Solution

The fourth proportional to 631,014.54, 870,793.47 and 344,533.74 is: 475,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,014.54 : 870,793.47 = 344,533.74 : x
  2. Step 2: Convert to fraction form
    631,014.54/870,793.47 = 344,533.74/x
  3. Step 3: Cross multiply
    631,014.54x = 870,793.47 × 344,533.74
  4. Step 4: Simplify right side
    631,014.54x = 300,017,730,986.68
  5. Step 5: Solve for x
    x = 300,017,730,986.68/631,014.54
  6. Step 6: Final answer
    x = 475,452.96

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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.