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Finding the Fourth Proportional to 382,417.80, 573,626.70 and 367,902.60

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Solution

The fourth proportional to 382,417.80, 573,626.70 and 367,902.60 is: 551,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,417.80 : 573,626.70 = 367,902.60 : x
  2. Step 2: Convert to fraction form
    382,417.80/573,626.70 = 367,902.60/x
  3. Step 3: Cross multiply
    382,417.80x = 573,626.70 × 367,902.60
  4. Step 4: Simplify right side
    382,417.80x = 211,038,754,359.42
  5. Step 5: Solve for x
    x = 211,038,754,359.42/382,417.80
  6. Step 6: Final answer
    x = 551,853.90

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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.