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Finding the Fourth Proportional to 340,816.80, 511,225.20 and 163,232.40

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Solution

The fourth proportional to 340,816.80, 511,225.20 and 163,232.40 is: 244,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816.80 : 511,225.20 = 163,232.40 : x
  2. Step 2: Convert to fraction form
    340,816.80/511,225.20 = 163,232.40/x
  3. Step 3: Cross multiply
    340,816.80x = 511,225.20 × 163,232.40
  4. Step 4: Simplify right side
    340,816.80x = 83,448,516,336.48
  5. Step 5: Solve for x
    x = 83,448,516,336.48/340,816.80
  6. Step 6: Final answer
    x = 244,848.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.