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Finding the Fourth Proportional to 654,683.80, 981,831.30 and 255,094.60

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Solution

The fourth proportional to 654,683.80, 981,831.30 and 255,094.60 is: 382,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,683.80 : 981,831.30 = 255,094.60 : x
  2. Step 2: Convert to fraction form
    654,683.80/981,831.30 = 255,094.60/x
  3. Step 3: Cross multiply
    654,683.80x = 981,831.30 × 255,094.60
  4. Step 4: Simplify right side
    654,683.80x = 250,459,862,740.98
  5. Step 5: Solve for x
    x = 250,459,862,740.98/654,683.80
  6. Step 6: Final answer
    x = 382,566.15

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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.