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Finding the Fourth Proportional to 1,296,746.88, 1,943,789.76 and 497,813.28

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Solution

The fourth proportional to 1,296,746.88, 1,943,789.76 and 497,813.28 is: 746,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,746.88 : 1,943,789.76 = 497,813.28 : x
  2. Step 2: Convert to fraction form
    1,296,746.88/1,943,789.76 = 497,813.28/x
  3. Step 3: Cross multiply
    1,296,746.88x = 1,943,789.76 × 497,813.28
  4. Step 4: Simplify right side
    1,296,746.88x = 967,644,356,056.01
  5. Step 5: Solve for x
    x = 967,644,356,056.01/1,296,746.88
  6. Step 6: Final answer
    x = 746,209.13

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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.