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Finding the Fourth Proportional to 554,552.39, 765,284.60 and 299,903.58

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Solution

The fourth proportional to 554,552.39, 765,284.60 and 299,903.58 is: 413,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,552.39 : 765,284.60 = 299,903.58 : x
  2. Step 2: Convert to fraction form
    554,552.39/765,284.60 = 299,903.58/x
  3. Step 3: Cross multiply
    554,552.39x = 765,284.60 × 299,903.58
  4. Step 4: Simplify right side
    554,552.39x = 229,511,587,432.45
  5. Step 5: Solve for x
    x = 229,511,587,432.45/554,552.39
  6. Step 6: Final answer
    x = 413,868.18

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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.