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Finding the Fourth Proportional to 370,334.79, 511,061.54 and 200,569.59

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Solution

The fourth proportional to 370,334.79, 511,061.54 and 200,569.59 is: 276,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,334.79 : 511,061.54 = 200,569.59 : x
  2. Step 2: Convert to fraction form
    370,334.79/511,061.54 = 200,569.59/x
  3. Step 3: Cross multiply
    370,334.79x = 511,061.54 × 200,569.59
  4. Step 4: Simplify right side
    370,334.79x = 102,503,402,539.72
  5. Step 5: Solve for x
    x = 102,503,402,539.72/370,334.79
  6. Step 6: Final answer
    x = 276,785.78

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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.