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Finding the Fourth Proportional to 1,569,348.30, 2,354,329.65 and 670,788.30

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Solution

The fourth proportional to 1,569,348.30, 2,354,329.65 and 670,788.30 is: 1,006,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,348.30 : 2,354,329.65 = 670,788.30 : x
  2. Step 2: Convert to fraction form
    1,569,348.30/2,354,329.65 = 670,788.30/x
  3. Step 3: Cross multiply
    1,569,348.30x = 2,354,329.65 × 670,788.30
  4. Step 4: Simplify right side
    1,569,348.30x = 1,579,256,783,563.10
  5. Step 5: Solve for x
    x = 1,579,256,783,563.10/1,569,348.30
  6. Step 6: Final answer
    x = 1,006,313.76

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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.