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Finding the Fourth Proportional to 431,501.90, 595,516.79 and 259,475.72

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Solution

The fourth proportional to 431,501.90, 595,516.79 and 259,475.72 is: 358,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,501.90 : 595,516.79 = 259,475.72 : x
  2. Step 2: Convert to fraction form
    431,501.90/595,516.79 = 259,475.72/x
  3. Step 3: Cross multiply
    431,501.90x = 595,516.79 × 259,475.72
  4. Step 4: Simplify right side
    431,501.90x = 154,522,145,528.44
  5. Step 5: Solve for x
    x = 154,522,145,528.44/431,501.90
  6. Step 6: Final answer
    x = 358,103.05

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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.