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Finding the Fourth Proportional to 431,330.47, 595,228.07 and 235,098.64

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Solution

The fourth proportional to 431,330.47, 595,228.07 and 235,098.64 is: 324,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,330.47 : 595,228.07 = 235,098.64 : x
  2. Step 2: Convert to fraction form
    431,330.47/595,228.07 = 235,098.64/x
  3. Step 3: Cross multiply
    431,330.47x = 595,228.07 × 235,098.64
  4. Step 4: Simplify right side
    431,330.47x = 139,937,308,846.50
  5. Step 5: Solve for x
    x = 139,937,308,846.50/431,330.47
  6. Step 6: Final answer
    x = 324,431.77

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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.