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Finding the Fourth Proportional to 444,007.62, 612,802.88 and 330,043.05

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Solution

The fourth proportional to 444,007.62, 612,802.88 and 330,043.05 is: 455,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,007.62 : 612,802.88 = 330,043.05 : x
  2. Step 2: Convert to fraction form
    444,007.62/612,802.88 = 330,043.05/x
  3. Step 3: Cross multiply
    444,007.62x = 612,802.88 × 330,043.05
  4. Step 4: Simplify right side
    444,007.62x = 202,251,329,913.77
  5. Step 5: Solve for x
    x = 202,251,329,913.77/444,007.62
  6. Step 6: Final answer
    x = 455,513.20

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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.