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Finding the Fourth Proportional to 1,671,621.03, 2,306,837.02 and 907,674.60

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Solution

The fourth proportional to 1,671,621.03, 2,306,837.02 and 907,674.60 is: 1,252,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,621.03 : 2,306,837.02 = 907,674.60 : x
  2. Step 2: Convert to fraction form
    1,671,621.03/2,306,837.02 = 907,674.60/x
  3. Step 3: Cross multiply
    1,671,621.03x = 2,306,837.02 × 907,674.60
  4. Step 4: Simplify right side
    1,671,621.03x = 2,093,857,369,393.69
  5. Step 5: Solve for x
    x = 2,093,857,369,393.69/1,671,621.03
  6. Step 6: Final answer
    x = 1,252,590.95

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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.