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Finding the Fourth Proportional to 877,662.30, 1,230,386.10 and 877,662.30

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Solution

The fourth proportional to 877,662.30, 1,230,386.10 and 877,662.30 is: 1,230,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,662.30 : 1,230,386.10 = 877,662.30 : x
  2. Step 2: Convert to fraction form
    877,662.30/1,230,386.10 = 877,662.30/x
  3. Step 3: Cross multiply
    877,662.30x = 1,230,386.10 × 877,662.30
  4. Step 4: Simplify right side
    877,662.30x = 1,079,863,494,414.03
  5. Step 5: Solve for x
    x = 1,079,863,494,414.03/877,662.30
  6. Step 6: Final answer
    x = 1,230,386.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.