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Finding the Fourth Proportional to 324,400.48, 447,621.60 and 181,153.60

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Solution

The fourth proportional to 324,400.48, 447,621.60 and 181,153.60 is: 249,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,400.48 : 447,621.60 = 181,153.60 : x
  2. Step 2: Convert to fraction form
    324,400.48/447,621.60 = 181,153.60/x
  3. Step 3: Cross multiply
    324,400.48x = 447,621.60 × 181,153.60
  4. Step 4: Simplify right side
    324,400.48x = 81,088,264,277.76
  5. Step 5: Solve for x
    x = 81,088,264,277.76/324,400.48
  6. Step 6: Final answer
    x = 249,963.45

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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.