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Finding the Fourth Proportional to 573,290.06, 860,038.50 and 236,146.68

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Solution

The fourth proportional to 573,290.06, 860,038.50 and 236,146.68 is: 354,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,290.06 : 860,038.50 = 236,146.68 : x
  2. Step 2: Convert to fraction form
    573,290.06/860,038.50 = 236,146.68/x
  3. Step 3: Cross multiply
    573,290.06x = 860,038.50 × 236,146.68
  4. Step 4: Simplify right side
    573,290.06x = 203,095,236,447.18
  5. Step 5: Solve for x
    x = 203,095,236,447.18/573,290.06
  6. Step 6: Final answer
    x = 354,262.62

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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.