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Finding the Fourth Proportional to 546,413.88, 819,931.86 and 359,513.40

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Solution

The fourth proportional to 546,413.88, 819,931.86 and 359,513.40 is: 539,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,413.88 : 819,931.86 = 359,513.40 : x
  2. Step 2: Convert to fraction form
    546,413.88/819,931.86 = 359,513.40/x
  3. Step 3: Cross multiply
    546,413.88x = 819,931.86 × 359,513.40
  4. Step 4: Simplify right side
    546,413.88x = 294,776,490,756.92
  5. Step 5: Solve for x
    x = 294,776,490,756.92/546,413.88
  6. Step 6: Final answer
    x = 539,474.75

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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.