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Finding the Fourth Proportional to 860,772.84, 1,289,662.95 and 604,060.98

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Solution

The fourth proportional to 860,772.84, 1,289,662.95 and 604,060.98 is: 905,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,772.84 : 1,289,662.95 = 604,060.98 : x
  2. Step 2: Convert to fraction form
    860,772.84/1,289,662.95 = 604,060.98/x
  3. Step 3: Cross multiply
    860,772.84x = 1,289,662.95 × 604,060.98
  4. Step 4: Simplify right side
    860,772.84x = 779,035,065,446.69
  5. Step 5: Solve for x
    x = 779,035,065,446.69/860,772.84
  6. Step 6: Final answer
    x = 905,041.41

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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.