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Finding the Fourth Proportional to 461,602.62, 636,509.34 and 300,158.28

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Solution

The fourth proportional to 461,602.62, 636,509.34 and 300,158.28 is: 413,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,602.62 : 636,509.34 = 300,158.28 : x
  2. Step 2: Convert to fraction form
    461,602.62/636,509.34 = 300,158.28/x
  3. Step 3: Cross multiply
    461,602.62x = 636,509.34 × 300,158.28
  4. Step 4: Simplify right side
    461,602.62x = 191,053,548,698.34
  5. Step 5: Solve for x
    x = 191,053,548,698.34/461,602.62
  6. Step 6: Final answer
    x = 413,891.82

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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.