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Finding the Fourth Proportional to 366,266.20, 549,399.30 and 208,802.20

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Solution

The fourth proportional to 366,266.20, 549,399.30 and 208,802.20 is: 313,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,266.20 : 549,399.30 = 208,802.20 : x
  2. Step 2: Convert to fraction form
    366,266.20/549,399.30 = 208,802.20/x
  3. Step 3: Cross multiply
    366,266.20x = 549,399.30 × 208,802.20
  4. Step 4: Simplify right side
    366,266.20x = 114,715,782,518.46
  5. Step 5: Solve for x
    x = 114,715,782,518.46/366,266.20
  6. Step 6: Final answer
    x = 313,203.30

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1.5x scale

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.