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Finding the Fourth Proportional to 370,368.44, 511,108.55 and 200,602.56

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Solution

The fourth proportional to 370,368.44, 511,108.55 and 200,602.56 is: 276,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,368.44 : 511,108.55 = 200,602.56 : x
  2. Step 2: Convert to fraction form
    370,368.44/511,108.55 = 200,602.56/x
  3. Step 3: Cross multiply
    370,368.44x = 511,108.55 × 200,602.56
  4. Step 4: Simplify right side
    370,368.44x = 102,529,683,567.89
  5. Step 5: Solve for x
    x = 102,529,683,567.89/370,368.44
  6. Step 6: Final answer
    x = 276,831.59

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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.