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Finding the Fourth Proportional to 404,950.64, 608,050.20 and 342,590.15

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Solution

The fourth proportional to 404,950.64, 608,050.20 and 342,590.15 is: 514,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,950.64 : 608,050.20 = 342,590.15 : x
  2. Step 2: Convert to fraction form
    404,950.64/608,050.20 = 342,590.15/x
  3. Step 3: Cross multiply
    404,950.64x = 608,050.20 × 342,590.15
  4. Step 4: Simplify right side
    404,950.64x = 208,312,006,185.28
  5. Step 5: Solve for x
    x = 208,312,006,185.28/404,950.64
  6. Step 6: Final answer
    x = 514,413.33

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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.