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Finding the Fourth Proportional to 308,082.60, 461,467.80 and 249,033.60

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Solution

The fourth proportional to 308,082.60, 461,467.80 and 249,033.60 is: 373,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,082.60 : 461,467.80 = 249,033.60 : x
  2. Step 2: Convert to fraction form
    308,082.60/461,467.80 = 249,033.60/x
  3. Step 3: Cross multiply
    308,082.60x = 461,467.80 × 249,033.60
  4. Step 4: Simplify right side
    308,082.60x = 114,920,987,518.08
  5. Step 5: Solve for x
    x = 114,920,987,518.08/308,082.60
  6. Step 6: Final answer
    x = 373,020.05

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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.