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Finding the Fourth Proportional to 1,674,289.92, 2,310,508 and 910,344

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Solution

The fourth proportional to 1,674,289.92, 2,310,508 and 910,344 is: 1,256,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,289.92 : 2,310,508 = 910,344 : x
  2. Step 2: Convert to fraction form
    1,674,289.92/2,310,508 = 910,344/x
  3. Step 3: Cross multiply
    1,674,289.92x = 2,310,508 × 910,344
  4. Step 4: Simplify right side
    1,674,289.92x = 2,103,357,094,752
  5. Step 5: Solve for x
    x = 2,103,357,094,752/1,674,289.92
  6. Step 6: Final answer
    x = 1,256,268.15

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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.