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Finding the Fourth Proportional to 1,347,669.03, 1,859,946.36 and 767,033.34

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Solution

The fourth proportional to 1,347,669.03, 1,859,946.36 and 767,033.34 is: 1,058,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,669.03 : 1,859,946.36 = 767,033.34 : x
  2. Step 2: Convert to fraction form
    1,347,669.03/1,859,946.36 = 767,033.34/x
  3. Step 3: Cross multiply
    1,347,669.03x = 1,859,946.36 × 767,033.34
  4. Step 4: Simplify right side
    1,347,669.03x = 1,426,640,868,731.64
  5. Step 5: Solve for x
    x = 1,426,640,868,731.64/1,347,669.03
  6. Step 6: Final answer
    x = 1,058,598.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.