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Finding the Fourth Proportional to 573,473.49, 860,385.19 and 293,187.57

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Solution

The fourth proportional to 573,473.49, 860,385.19 and 293,187.57 is: 439,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,473.49 : 860,385.19 = 293,187.57 : x
  2. Step 2: Convert to fraction form
    573,473.49/860,385.19 = 293,187.57/x
  3. Step 3: Cross multiply
    573,473.49x = 860,385.19 × 293,187.57
  4. Step 4: Simplify right side
    573,473.49x = 252,254,243,120.09
  5. Step 5: Solve for x
    x = 252,254,243,120.09/573,473.49
  6. Step 6: Final answer
    x = 439,870.80

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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.