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Finding the Fourth Proportional to 370,571.81, 511,201.28 and 234,376.39

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Solution

The fourth proportional to 370,571.81, 511,201.28 and 234,376.39 is: 323,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,571.81 : 511,201.28 = 234,376.39 : x
  2. Step 2: Convert to fraction form
    370,571.81/511,201.28 = 234,376.39/x
  3. Step 3: Cross multiply
    370,571.81x = 511,201.28 × 234,376.39
  4. Step 4: Simplify right side
    370,571.81x = 119,813,506,841.89
  5. Step 5: Solve for x
    x = 119,813,506,841.89/370,571.81
  6. Step 6: Final answer
    x = 323,320.62

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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.