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Finding the Fourth Proportional to 935,703, 1,403,788.32 and 270,855

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Solution

The fourth proportional to 935,703, 1,403,788.32 and 270,855 is: 406,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,703 : 1,403,788.32 = 270,855 : x
  2. Step 2: Convert to fraction form
    935,703/1,403,788.32 = 270,855/x
  3. Step 3: Cross multiply
    935,703x = 1,403,788.32 × 270,855
  4. Step 4: Simplify right side
    935,703x = 380,223,085,413.60
  5. Step 5: Solve for x
    x = 380,223,085,413.60/935,703
  6. Step 6: Final answer
    x = 406,350.18

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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.