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Finding the Fourth Proportional to 353,585.16, 530,377.74 and 104,208.84

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Solution

The fourth proportional to 353,585.16, 530,377.74 and 104,208.84 is: 156,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,585.16 : 530,377.74 = 104,208.84 : x
  2. Step 2: Convert to fraction form
    353,585.16/530,377.74 = 104,208.84/x
  3. Step 3: Cross multiply
    353,585.16x = 530,377.74 × 104,208.84
  4. Step 4: Simplify right side
    353,585.16x = 55,270,049,047.22
  5. Step 5: Solve for x
    x = 55,270,049,047.22/353,585.16
  6. Step 6: Final answer
    x = 156,313.26

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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.