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Finding the Fourth Proportional to 1,205,496, 1,663,662.40 and 668,952

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Solution

The fourth proportional to 1,205,496, 1,663,662.40 and 668,952 is: 923,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,496 : 1,663,662.40 = 668,952 : x
  2. Step 2: Convert to fraction form
    1,205,496/1,663,662.40 = 668,952/x
  3. Step 3: Cross multiply
    1,205,496x = 1,663,662.40 × 668,952
  4. Step 4: Simplify right side
    1,205,496x = 1,112,910,289,804.80
  5. Step 5: Solve for x
    x = 1,112,910,289,804.80/1,205,496
  6. Step 6: Final answer
    x = 923,197.00

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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.