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Finding the Fourth Proportional to 598,639.80, 897,959.70 and 492,351.60

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Solution

The fourth proportional to 598,639.80, 897,959.70 and 492,351.60 is: 738,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,639.80 : 897,959.70 = 492,351.60 : x
  2. Step 2: Convert to fraction form
    598,639.80/897,959.70 = 492,351.60/x
  3. Step 3: Cross multiply
    598,639.80x = 897,959.70 × 492,351.60
  4. Step 4: Simplify right side
    598,639.80x = 442,111,895,030.52
  5. Step 5: Solve for x
    x = 442,111,895,030.52/598,639.80
  6. Step 6: Final answer
    x = 738,527.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.