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Finding the Fourth Proportional to 431,573.47, 595,606.85 and 238,019.04

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Solution

The fourth proportional to 431,573.47, 595,606.85 and 238,019.04 is: 328,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,573.47 : 595,606.85 = 238,019.04 : x
  2. Step 2: Convert to fraction form
    431,573.47/595,606.85 = 238,019.04/x
  3. Step 3: Cross multiply
    431,573.47x = 595,606.85 × 238,019.04
  4. Step 4: Simplify right side
    431,573.47x = 141,765,773,036.01
  5. Step 5: Solve for x
    x = 141,765,773,036.01/431,573.47
  6. Step 6: Final answer
    x = 328,485.84

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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.