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Finding the Fourth Proportional to 4,893,301.80, 7,339,952.70 and 1,299,623.40

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Solution

The fourth proportional to 4,893,301.80, 7,339,952.70 and 1,299,623.40 is: 1,949,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893,301.80 : 7,339,952.70 = 1,299,623.40 : x
  2. Step 2: Convert to fraction form
    4,893,301.80/7,339,952.70 = 1,299,623.40/x
  3. Step 3: Cross multiply
    4,893,301.80x = 7,339,952.70 × 1,299,623.40
  4. Step 4: Simplify right side
    4,893,301.80x = 9,539,174,283,813.18
  5. Step 5: Solve for x
    x = 9,539,174,283,813.18/4,893,301.80
  6. Step 6: Final answer
    x = 1,949,435.10

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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.