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Finding the Fourth Proportional to 431,250.80, 646,001.40 and 244,043.60

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Solution

The fourth proportional to 431,250.80, 646,001.40 and 244,043.60 is: 365,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,250.80 : 646,001.40 = 244,043.60 : x
  2. Step 2: Convert to fraction form
    431,250.80/646,001.40 = 244,043.60/x
  3. Step 3: Cross multiply
    431,250.80x = 646,001.40 × 244,043.60
  4. Step 4: Simplify right side
    431,250.80x = 157,652,507,261.04
  5. Step 5: Solve for x
    x = 157,652,507,261.04/431,250.80
  6. Step 6: Final answer
    x = 365,570.35

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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.