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Finding the Fourth Proportional to 312,413.01, 468,522.66 and 112,707.45

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Solution

The fourth proportional to 312,413.01, 468,522.66 and 112,707.45 is: 169,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,413.01 : 468,522.66 = 112,707.45 : x
  2. Step 2: Convert to fraction form
    312,413.01/468,522.66 = 112,707.45/x
  3. Step 3: Cross multiply
    312,413.01x = 468,522.66 × 112,707.45
  4. Step 4: Simplify right side
    312,413.01x = 52,805,994,275.82
  5. Step 5: Solve for x
    x = 52,805,994,275.82/312,413.01
  6. Step 6: Final answer
    x = 169,026.23

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1.5x scale

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.