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Finding the Fourth Proportional to 578,700.77, 868,051.26 and 241,557.51

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Solution

The fourth proportional to 578,700.77, 868,051.26 and 241,557.51 is: 362,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,700.77 : 868,051.26 = 241,557.51 : x
  2. Step 2: Convert to fraction form
    578,700.77/868,051.26 = 241,557.51/x
  3. Step 3: Cross multiply
    578,700.77x = 868,051.26 × 241,557.51
  4. Step 4: Simplify right side
    578,700.77x = 209,684,299,710.18
  5. Step 5: Solve for x
    x = 209,684,299,710.18/578,700.77
  6. Step 6: Final answer
    x = 362,336.31

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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.