Home / 384,048.20-576,072.30-362,275.40

Finding the Fourth Proportional to 384,048.20, 576,072.30 and 362,275.40

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Solution

The fourth proportional to 384,048.20, 576,072.30 and 362,275.40 is: 543,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,048.20 : 576,072.30 = 362,275.40 : x
  2. Step 2: Convert to fraction form
    384,048.20/576,072.30 = 362,275.40/x
  3. Step 3: Cross multiply
    384,048.20x = 576,072.30 × 362,275.40
  4. Step 4: Simplify right side
    384,048.20x = 208,696,822,911.42
  5. Step 5: Solve for x
    x = 208,696,822,911.42/384,048.20
  6. Step 6: Final answer
    x = 543,413.10

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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.