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Finding the Fourth Proportional to 999,051.60, 1,494,203.40 and 893,200.80

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Solution

The fourth proportional to 999,051.60, 1,494,203.40 and 893,200.80 is: 1,335,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,051.60 : 1,494,203.40 = 893,200.80 : x
  2. Step 2: Convert to fraction form
    999,051.60/1,494,203.40 = 893,200.80/x
  3. Step 3: Cross multiply
    999,051.60x = 1,494,203.40 × 893,200.80
  4. Step 4: Simplify right side
    999,051.60x = 1,334,623,672,242.72
  5. Step 5: Solve for x
    x = 1,334,623,672,242.72/999,051.60
  6. Step 6: Final answer
    x = 1,335,890.63

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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.