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Finding the Fourth Proportional to 353,784.39, 530,694.81 and 101,044.95

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Solution

The fourth proportional to 353,784.39, 530,694.81 and 101,044.95 is: 151,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,784.39 : 530,694.81 = 101,044.95 : x
  2. Step 2: Convert to fraction form
    353,784.39/530,694.81 = 101,044.95/x
  3. Step 3: Cross multiply
    353,784.39x = 530,694.81 × 101,044.95
  4. Step 4: Simplify right side
    353,784.39x = 53,624,030,541.71
  5. Step 5: Solve for x
    x = 53,624,030,541.71/353,784.39
  6. Step 6: Final answer
    x = 151,572.63

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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.