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Finding the Fourth Proportional to 573,638.63, 860,476.16 and 174,282.87

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Solution

The fourth proportional to 573,638.63, 860,476.16 and 174,282.87 is: 261,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,638.63 : 860,476.16 = 174,282.87 : x
  2. Step 2: Convert to fraction form
    573,638.63/860,476.16 = 174,282.87/x
  3. Step 3: Cross multiply
    573,638.63x = 860,476.16 × 174,282.87
  4. Step 4: Simplify right side
    573,638.63x = 149,966,258,393.87
  5. Step 5: Solve for x
    x = 149,966,258,393.87/573,638.63
  6. Step 6: Final answer
    x = 261,429.85

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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.