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Finding the Fourth Proportional to 670,862.54, 925,773.62 and 384,364.18

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Solution

The fourth proportional to 670,862.54, 925,773.62 and 384,364.18 is: 530,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,862.54 : 925,773.62 = 384,364.18 : x
  2. Step 2: Convert to fraction form
    670,862.54/925,773.62 = 384,364.18/x
  3. Step 3: Cross multiply
    670,862.54x = 925,773.62 × 384,364.18
  4. Step 4: Simplify right side
    670,862.54x = 355,834,216,963.41
  5. Step 5: Solve for x
    x = 355,834,216,963.41/670,862.54
  6. Step 6: Final answer
    x = 530,413.00

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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.