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Finding the Fourth Proportional to 578,716.90, 868,212.11 and 241,570.20

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Solution

The fourth proportional to 578,716.90, 868,212.11 and 241,570.20 is: 362,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,716.90 : 868,212.11 = 241,570.20 : x
  2. Step 2: Convert to fraction form
    578,716.90/868,212.11 = 241,570.20/x
  3. Step 3: Cross multiply
    578,716.90x = 868,212.11 × 241,570.20
  4. Step 4: Simplify right side
    578,716.90x = 209,734,173,055.12
  5. Step 5: Solve for x
    x = 209,734,173,055.12/578,716.90
  6. Step 6: Final answer
    x = 362,412.39

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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.