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Finding the Fourth Proportional to 295,210.80, 442,816.20 and 251,033.40

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Solution

The fourth proportional to 295,210.80, 442,816.20 and 251,033.40 is: 376,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,210.80 : 442,816.20 = 251,033.40 : x
  2. Step 2: Convert to fraction form
    295,210.80/442,816.20 = 251,033.40/x
  3. Step 3: Cross multiply
    295,210.80x = 442,816.20 × 251,033.40
  4. Step 4: Simplify right side
    295,210.80x = 111,161,656,261.08
  5. Step 5: Solve for x
    x = 111,161,656,261.08/295,210.80
  6. Step 6: Final answer
    x = 376,550.10

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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.