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Finding the Fourth Proportional to 404,788.80, 606,016.80 and 362,798.40

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Solution

The fourth proportional to 404,788.80, 606,016.80 and 362,798.40 is: 543,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,788.80 : 606,016.80 = 362,798.40 : x
  2. Step 2: Convert to fraction form
    404,788.80/606,016.80 = 362,798.40/x
  3. Step 3: Cross multiply
    404,788.80x = 606,016.80 × 362,798.40
  4. Step 4: Simplify right side
    404,788.80x = 219,861,925,413.12
  5. Step 5: Solve for x
    x = 219,861,925,413.12/404,788.80
  6. Step 6: Final answer
    x = 543,152.20

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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.