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Finding the Fourth Proportional to 636,599.53, 955,319.96 and 299,736.51

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Solution

The fourth proportional to 636,599.53, 955,319.96 and 299,736.51 is: 449,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,599.53 : 955,319.96 = 299,736.51 : x
  2. Step 2: Convert to fraction form
    636,599.53/955,319.96 = 299,736.51/x
  3. Step 3: Cross multiply
    636,599.53x = 955,319.96 × 299,736.51
  4. Step 4: Simplify right side
    636,599.53x = 286,344,270,743.74
  5. Step 5: Solve for x
    x = 286,344,270,743.74/636,599.53
  6. Step 6: Final answer
    x = 449,802.83

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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.