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Finding the Fourth Proportional to 456,160.39, 629,485.45 and 249,433.60

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Solution

The fourth proportional to 456,160.39, 629,485.45 and 249,433.60 is: 344,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,160.39 : 629,485.45 = 249,433.60 : x
  2. Step 2: Convert to fraction form
    456,160.39/629,485.45 = 249,433.60/x
  3. Step 3: Cross multiply
    456,160.39x = 629,485.45 × 249,433.60
  4. Step 4: Simplify right side
    456,160.39x = 157,014,821,941.12
  5. Step 5: Solve for x
    x = 157,014,821,941.12/456,160.39
  6. Step 6: Final answer
    x = 344,209.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.