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Finding the Fourth Proportional to 965,768.80, 1,447,616.40 and 366,498.40

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Solution

The fourth proportional to 965,768.80, 1,447,616.40 and 366,498.40 is: 549,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,768.80 : 1,447,616.40 = 366,498.40 : x
  2. Step 2: Convert to fraction form
    965,768.80/1,447,616.40 = 366,498.40/x
  3. Step 3: Cross multiply
    965,768.80x = 1,447,616.40 × 366,498.40
  4. Step 4: Simplify right side
    965,768.80x = 530,549,094,413.76
  5. Step 5: Solve for x
    x = 530,549,094,413.76/965,768.80
  6. Step 6: Final answer
    x = 549,354.15

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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.