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Finding the Fourth Proportional to 367,309.08, 550,962.72 and 207,312.48

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Solution

The fourth proportional to 367,309.08, 550,962.72 and 207,312.48 is: 310,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,309.08 : 550,962.72 = 207,312.48 : x
  2. Step 2: Convert to fraction form
    367,309.08/550,962.72 = 207,312.48/x
  3. Step 3: Cross multiply
    367,309.08x = 550,962.72 × 207,312.48
  4. Step 4: Simplify right side
    367,309.08x = 114,221,447,870.75
  5. Step 5: Solve for x
    x = 114,221,447,870.75/367,309.08
  6. Step 6: Final answer
    x = 310,968.21

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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.