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Finding the Fourth Proportional to 401,045.80, 601,568.70 and 367,868.20

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Solution

The fourth proportional to 401,045.80, 601,568.70 and 367,868.20 is: 551,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,045.80 : 601,568.70 = 367,868.20 : x
  2. Step 2: Convert to fraction form
    401,045.80/601,568.70 = 367,868.20/x
  3. Step 3: Cross multiply
    401,045.80x = 601,568.70 × 367,868.20
  4. Step 4: Simplify right side
    401,045.80x = 221,297,994,845.34
  5. Step 5: Solve for x
    x = 221,297,994,845.34/401,045.80
  6. Step 6: Final answer
    x = 551,802.30

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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.