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Finding the Fourth Proportional to 371,344.02, 512,539.02 and 235,565.34

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Solution

The fourth proportional to 371,344.02, 512,539.02 and 235,565.34 is: 325,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,344.02 : 512,539.02 = 235,565.34 : x
  2. Step 2: Convert to fraction form
    371,344.02/512,539.02 = 235,565.34/x
  3. Step 3: Cross multiply
    371,344.02x = 512,539.02 × 235,565.34
  4. Step 4: Simplify right side
    371,344.02x = 120,736,428,509.57
  5. Step 5: Solve for x
    x = 120,736,428,509.57/371,344.02
  6. Step 6: Final answer
    x = 325,133.63

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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.