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Finding the Fourth Proportional to 431,535.60, 595,544.76 and 240,548.40

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Solution

The fourth proportional to 431,535.60, 595,544.76 and 240,548.40 is: 331,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,535.60 : 595,544.76 = 240,548.40 : x
  2. Step 2: Convert to fraction form
    431,535.60/595,544.76 = 240,548.40/x
  3. Step 3: Cross multiply
    431,535.60x = 595,544.76 × 240,548.40
  4. Step 4: Simplify right side
    431,535.60x = 143,257,339,146.38
  5. Step 5: Solve for x
    x = 143,257,339,146.38/431,535.60
  6. Step 6: Final answer
    x = 331,971.08

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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.