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Finding the Fourth Proportional to 319,653.29, 441,119.48 and 176,413.33

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Solution

The fourth proportional to 319,653.29, 441,119.48 and 176,413.33 is: 243,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,653.29 : 441,119.48 = 176,413.33 : x
  2. Step 2: Convert to fraction form
    319,653.29/441,119.48 = 176,413.33/x
  3. Step 3: Cross multiply
    319,653.29x = 441,119.48 × 176,413.33
  4. Step 4: Simplify right side
    319,653.29x = 77,819,356,394.67
  5. Step 5: Solve for x
    x = 77,819,356,394.67/319,653.29
  6. Step 6: Final answer
    x = 243,449.26

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1.5x scale

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.