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Finding the Fourth Proportional to 573,866.24, 860,903.84 and 189,637.07

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Solution

The fourth proportional to 573,866.24, 860,903.84 and 189,637.07 is: 284,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,866.24 : 860,903.84 = 189,637.07 : x
  2. Step 2: Convert to fraction form
    573,866.24/860,903.84 = 189,637.07/x
  3. Step 3: Cross multiply
    573,866.24x = 860,903.84 × 189,637.07
  4. Step 4: Simplify right side
    573,866.24x = 163,259,277,938.92
  5. Step 5: Solve for x
    x = 163,259,277,938.92/573,866.24
  6. Step 6: Final answer
    x = 284,490.13

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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.