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Finding the Fourth Proportional to 578,806.96, 868,210.80 and 241,663.90

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Solution

The fourth proportional to 578,806.96, 868,210.80 and 241,663.90 is: 362,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,806.96 : 868,210.80 = 241,663.90 : x
  2. Step 2: Convert to fraction form
    578,806.96/868,210.80 = 241,663.90/x
  3. Step 3: Cross multiply
    578,806.96x = 868,210.80 × 241,663.90
  4. Step 4: Simplify right side
    578,806.96x = 209,815,206,741.80
  5. Step 5: Solve for x
    x = 209,815,206,741.80/578,806.96
  6. Step 6: Final answer
    x = 362,496.00

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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.