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Finding the Fourth Proportional to 1,337,805.90, 2,009,985.65 and 1,006,029.90

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Solution

The fourth proportional to 1,337,805.90, 2,009,985.65 and 1,006,029.90 is: 1,511,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,805.90 : 2,009,985.65 = 1,006,029.90 : x
  2. Step 2: Convert to fraction form
    1,337,805.90/2,009,985.65 = 1,006,029.90/x
  3. Step 3: Cross multiply
    1,337,805.90x = 2,009,985.65 × 1,006,029.90
  4. Step 4: Simplify right side
    1,337,805.90x = 2,022,105,662,470.94
  5. Step 5: Solve for x
    x = 2,022,105,662,470.94/1,337,805.90
  6. Step 6: Final answer
    x = 1,511,509.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.