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Finding the Fourth Proportional to 636,091.84, 954,055.68 and 530,137.72

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Solution

The fourth proportional to 636,091.84, 954,055.68 and 530,137.72 is: 795,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,091.84 : 954,055.68 = 530,137.72 : x
  2. Step 2: Convert to fraction form
    636,091.84/954,055.68 = 530,137.72/x
  3. Step 3: Cross multiply
    636,091.84x = 954,055.68 × 530,137.72
  4. Step 4: Simplify right side
    636,091.84x = 505,780,902,948.25
  5. Step 5: Solve for x
    x = 505,780,902,948.25/636,091.84
  6. Step 6: Final answer
    x = 795,138.17

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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.