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Finding the Fourth Proportional to 578,832.60, 868,205.70 and 241,786.20

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Solution

The fourth proportional to 578,832.60, 868,205.70 and 241,786.20 is: 362,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,832.60 : 868,205.70 = 241,786.20 : x
  2. Step 2: Convert to fraction form
    578,832.60/868,205.70 = 241,786.20/x
  3. Step 3: Cross multiply
    578,832.60x = 868,205.70 × 241,786.20
  4. Step 4: Simplify right side
    578,832.60x = 209,920,157,021.34
  5. Step 5: Solve for x
    x = 209,920,157,021.34/578,832.60
  6. Step 6: Final answer
    x = 362,661.25

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Double scale
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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.