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Finding the Fourth Proportional to 545,360.23, 818,413.96 and 190,374.19

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Solution

The fourth proportional to 545,360.23, 818,413.96 and 190,374.19 is: 285,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,360.23 : 818,413.96 = 190,374.19 : x
  2. Step 2: Convert to fraction form
    545,360.23/818,413.96 = 190,374.19/x
  3. Step 3: Cross multiply
    545,360.23x = 818,413.96 × 190,374.19
  4. Step 4: Simplify right side
    545,360.23x = 155,804,894,719.69
  5. Step 5: Solve for x
    x = 155,804,894,719.69/545,360.23
  6. Step 6: Final answer
    x = 285,691.71

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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.