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Finding the Fourth Proportional to 598,686.80, 897,835.80 and 199,259.60

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Solution

The fourth proportional to 598,686.80, 897,835.80 and 199,259.60 is: 298,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,686.80 : 897,835.80 = 199,259.60 : x
  2. Step 2: Convert to fraction form
    598,686.80/897,835.80 = 199,259.60/x
  3. Step 3: Cross multiply
    598,686.80x = 897,835.80 × 199,259.60
  4. Step 4: Simplify right side
    598,686.80x = 178,902,402,373.68
  5. Step 5: Solve for x
    x = 178,902,402,373.68/598,686.80
  6. Step 6: Final answer
    x = 298,824.70

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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.