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Finding the Fourth Proportional to 554,550.39, 765,281.84 and 299,901.58

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Solution

The fourth proportional to 554,550.39, 765,281.84 and 299,901.58 is: 413,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,550.39 : 765,281.84 = 299,901.58 : x
  2. Step 2: Convert to fraction form
    554,550.39/765,281.84 = 299,901.58/x
  3. Step 3: Cross multiply
    554,550.39x = 765,281.84 × 299,901.58
  4. Step 4: Simplify right side
    554,550.39x = 229,509,229,582.49
  5. Step 5: Solve for x
    x = 229,509,229,582.49/554,550.39
  6. Step 6: Final answer
    x = 413,865.42

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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.