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Finding the Fourth Proportional to 1,265,762.33, 1,746,745.65 and 684,985.04

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Solution

The fourth proportional to 1,265,762.33, 1,746,745.65 and 684,985.04 is: 945,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,762.33 : 1,746,745.65 = 684,985.04 : x
  2. Step 2: Convert to fraction form
    1,265,762.33/1,746,745.65 = 684,985.04/x
  3. Step 3: Cross multiply
    1,265,762.33x = 1,746,745.65 × 684,985.04
  4. Step 4: Simplify right side
    1,265,762.33x = 1,196,494,638,935.08
  5. Step 5: Solve for x
    x = 1,196,494,638,935.08/1,265,762.33
  6. Step 6: Final answer
    x = 945,275.91

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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.