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Finding the Fourth Proportional to 1,294,339.07, 1,941,566.93 and 495,413.39

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Solution

The fourth proportional to 1,294,339.07, 1,941,566.93 and 495,413.39 is: 743,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,339.07 : 1,941,566.93 = 495,413.39 : x
  2. Step 2: Convert to fraction form
    1,294,339.07/1,941,566.93 = 495,413.39/x
  3. Step 3: Cross multiply
    1,294,339.07x = 1,941,566.93 × 495,413.39
  4. Step 4: Simplify right side
    1,294,339.07x = 961,878,254,703.19
  5. Step 5: Solve for x
    x = 961,878,254,703.19/1,294,339.07
  6. Step 6: Final answer
    x = 743,142.41

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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.