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Finding the Fourth Proportional to 530,667.93, 796,328.25 and 210,763.83

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Solution

The fourth proportional to 530,667.93, 796,328.25 and 210,763.83 is: 316,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,667.93 : 796,328.25 = 210,763.83 : x
  2. Step 2: Convert to fraction form
    530,667.93/796,328.25 = 210,763.83/x
  3. Step 3: Cross multiply
    530,667.93x = 796,328.25 × 210,763.83
  4. Step 4: Simplify right side
    530,667.93x = 167,837,190,853.38
  5. Step 5: Solve for x
    x = 167,837,190,853.38/530,667.93
  6. Step 6: Final answer
    x = 316,275.36

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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.