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Finding the Fourth Proportional to 1,265,663.03, 1,746,619.58 and 684,886.12

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Solution

The fourth proportional to 1,265,663.03, 1,746,619.58 and 684,886.12 is: 945,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,663.03 : 1,746,619.58 = 684,886.12 : x
  2. Step 2: Convert to fraction form
    1,265,663.03/1,746,619.58 = 684,886.12/x
  3. Step 3: Cross multiply
    1,265,663.03x = 1,746,619.58 × 684,886.12
  4. Step 4: Simplify right side
    1,265,663.03x = 1,196,235,504,607.90
  5. Step 5: Solve for x
    x = 1,196,235,504,607.90/1,265,663.03
  6. Step 6: Final answer
    x = 945,145.34

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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.