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Finding the Fourth Proportional to 370,784, 551,406.22 and 358,974.08

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Solution

The fourth proportional to 370,784, 551,406.22 and 358,974.08 is: 533,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,784 : 551,406.22 = 358,974.08 : x
  2. Step 2: Convert to fraction form
    370,784/551,406.22 = 358,974.08/x
  3. Step 3: Cross multiply
    370,784x = 551,406.22 × 358,974.08
  4. Step 4: Simplify right side
    370,784x = 197,940,540,530.78
  5. Step 5: Solve for x
    x = 197,940,540,530.78/370,784
  6. Step 6: Final answer
    x = 533,843.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.