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Finding the Fourth Proportional to 265,618.80, 397,276.20 and 237,740.40

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Solution

The fourth proportional to 265,618.80, 397,276.20 and 237,740.40 is: 355,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,618.80 : 397,276.20 = 237,740.40 : x
  2. Step 2: Convert to fraction form
    265,618.80/397,276.20 = 237,740.40/x
  3. Step 3: Cross multiply
    265,618.80x = 397,276.20 × 237,740.40
  4. Step 4: Simplify right side
    265,618.80x = 94,448,602,698.48
  5. Step 5: Solve for x
    x = 94,448,602,698.48/265,618.80
  6. Step 6: Final answer
    x = 355,579.51

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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.