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Finding the Fourth Proportional to 662,635.98, 914,413.32 and 404,944.17

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Solution

The fourth proportional to 662,635.98, 914,413.32 and 404,944.17 is: 558,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,635.98 : 914,413.32 = 404,944.17 : x
  2. Step 2: Convert to fraction form
    662,635.98/914,413.32 = 404,944.17/x
  3. Step 3: Cross multiply
    662,635.98x = 914,413.32 × 404,944.17
  4. Step 4: Simplify right side
    662,635.98x = 370,286,342,904.34
  5. Step 5: Solve for x
    x = 370,286,342,904.34/662,635.98
  6. Step 6: Final answer
    x = 558,808.08

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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.