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Finding the Fourth Proportional to 317,413.46, 438,013.14 and 174,162.26

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Solution

The fourth proportional to 317,413.46, 438,013.14 and 174,162.26 is: 240,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,413.46 : 438,013.14 = 174,162.26 : x
  2. Step 2: Convert to fraction form
    317,413.46/438,013.14 = 174,162.26/x
  3. Step 3: Cross multiply
    317,413.46x = 438,013.14 × 174,162.26
  4. Step 4: Simplify right side
    317,413.46x = 76,285,356,182.03
  5. Step 5: Solve for x
    x = 76,285,356,182.03/317,413.46
  6. Step 6: Final answer
    x = 240,334.35

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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.