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Finding the Fourth Proportional to 384,685.02, 576,511.71 and 299,398.89

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Solution

The fourth proportional to 384,685.02, 576,511.71 and 299,398.89 is: 448,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,685.02 : 576,511.71 = 299,398.89 : x
  2. Step 2: Convert to fraction form
    384,685.02/576,511.71 = 299,398.89/x
  3. Step 3: Cross multiply
    384,685.02x = 576,511.71 × 299,398.89
  4. Step 4: Simplify right side
    384,685.02x = 172,606,966,046.00
  5. Step 5: Solve for x
    x = 172,606,966,046.00/384,685.02
  6. Step 6: Final answer
    x = 448,696.87

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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.