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Finding the Fourth Proportional to 1,090,328.38, 1,504,653 and 606,883.06

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Solution

The fourth proportional to 1,090,328.38, 1,504,653 and 606,883.06 is: 837,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,328.38 : 1,504,653 = 606,883.06 : x
  2. Step 2: Convert to fraction form
    1,090,328.38/1,504,653 = 606,883.06/x
  3. Step 3: Cross multiply
    1,090,328.38x = 1,504,653 × 606,883.06
  4. Step 4: Simplify right side
    1,090,328.38x = 913,148,416,878.18
  5. Step 5: Solve for x
    x = 913,148,416,878.18/1,090,328.38
  6. Step 6: Final answer
    x = 837,498.53

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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.