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Finding the Fourth Proportional to 966,413.76, 1,333,695.60 and 536,695.80

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Solution

The fourth proportional to 966,413.76, 1,333,695.60 and 536,695.80 is: 740,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,413.76 : 1,333,695.60 = 536,695.80 : x
  2. Step 2: Convert to fraction form
    966,413.76/1,333,695.60 = 536,695.80/x
  3. Step 3: Cross multiply
    966,413.76x = 1,333,695.60 × 536,695.80
  4. Step 4: Simplify right side
    966,413.76x = 715,788,826,998.48
  5. Step 5: Solve for x
    x = 715,788,826,998.48/966,413.76
  6. Step 6: Final answer
    x = 740,664.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.