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Finding the Fourth Proportional to 265,246.88, 365,343.40 and 203,875.70

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Solution

The fourth proportional to 265,246.88, 365,343.40 and 203,875.70 is: 280,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,246.88 : 365,343.40 = 203,875.70 : x
  2. Step 2: Convert to fraction form
    265,246.88/365,343.40 = 203,875.70/x
  3. Step 3: Cross multiply
    265,246.88x = 365,343.40 × 203,875.70
  4. Step 4: Simplify right side
    265,246.88x = 74,484,641,415.38
  5. Step 5: Solve for x
    x = 74,484,641,415.38/265,246.88
  6. Step 6: Final answer
    x = 280,812.51

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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.