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Finding the Fourth Proportional to 609,297.19, 840,859.00 and 367,574.58

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Solution

The fourth proportional to 609,297.19, 840,859.00 and 367,574.58 is: 507,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,297.19 : 840,859.00 = 367,574.58 : x
  2. Step 2: Convert to fraction form
    609,297.19/840,859.00 = 367,574.58/x
  3. Step 3: Cross multiply
    609,297.19x = 840,859.00 × 367,574.58
  4. Step 4: Simplify right side
    609,297.19x = 309,078,392,845.28
  5. Step 5: Solve for x
    x = 309,078,392,845.28/609,297.19
  6. Step 6: Final answer
    x = 507,270.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.