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Finding the Fourth Proportional to 379,246.42, 523,460.64 and 235,925.02

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Solution

The fourth proportional to 379,246.42, 523,460.64 and 235,925.02 is: 325,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,246.42 : 523,460.64 = 235,925.02 : x
  2. Step 2: Convert to fraction form
    379,246.42/523,460.64 = 235,925.02/x
  3. Step 3: Cross multiply
    379,246.42x = 523,460.64 × 235,925.02
  4. Step 4: Simplify right side
    379,246.42x = 123,497,461,961.21
  5. Step 5: Solve for x
    x = 123,497,461,961.21/379,246.42
  6. Step 6: Final answer
    x = 325,639.10

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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.