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Finding the Fourth Proportional to 458,374.95, 632,547.63 and 254,413.98

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Solution

The fourth proportional to 458,374.95, 632,547.63 and 254,413.98 is: 351,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,374.95 : 632,547.63 = 254,413.98 : x
  2. Step 2: Convert to fraction form
    458,374.95/632,547.63 = 254,413.98/x
  3. Step 3: Cross multiply
    458,374.95x = 632,547.63 × 254,413.98
  4. Step 4: Simplify right side
    458,374.95x = 160,928,960,087.87
  5. Step 5: Solve for x
    x = 160,928,960,087.87/458,374.95
  6. Step 6: Final answer
    x = 351,085.85

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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.