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Finding the Fourth Proportional to 366,924.30, 549,706.05 and 208,682.70

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Solution

The fourth proportional to 366,924.30, 549,706.05 and 208,682.70 is: 312,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.30 : 549,706.05 = 208,682.70 : x
  2. Step 2: Convert to fraction form
    366,924.30/549,706.05 = 208,682.70/x
  3. Step 3: Cross multiply
    366,924.30x = 549,706.05 × 208,682.70
  4. Step 4: Simplify right side
    366,924.30x = 114,714,142,720.34
  5. Step 5: Solve for x
    x = 114,714,142,720.34/366,924.30
  6. Step 6: Final answer
    x = 312,637.08

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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.