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Finding the Fourth Proportional to 1,350,009, 1,863,051.30 and 746,435.88

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Solution

The fourth proportional to 1,350,009, 1,863,051.30 and 746,435.88 is: 1,030,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,009 : 1,863,051.30 = 746,435.88 : x
  2. Step 2: Convert to fraction form
    1,350,009/1,863,051.30 = 746,435.88/x
  3. Step 3: Cross multiply
    1,350,009x = 1,863,051.30 × 746,435.88
  4. Step 4: Simplify right side
    1,350,009x = 1,390,648,336,600.64
  5. Step 5: Solve for x
    x = 1,390,648,336,600.64/1,350,009
  6. Step 6: Final answer
    x = 1,030,103.01

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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.