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Finding the Fourth Proportional to 369,413.28, 554,205.42 and 116,718.84

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Solution

The fourth proportional to 369,413.28, 554,205.42 and 116,718.84 is: 175,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,413.28 : 554,205.42 = 116,718.84 : x
  2. Step 2: Convert to fraction form
    369,413.28/554,205.42 = 116,718.84/x
  3. Step 3: Cross multiply
    369,413.28x = 554,205.42 × 116,718.84
  4. Step 4: Simplify right side
    369,413.28x = 64,686,213,744.11
  5. Step 5: Solve for x
    x = 64,686,213,744.11/369,413.28
  6. Step 6: Final answer
    x = 175,105.27

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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.