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Finding the Fourth Proportional to 688,413.87, 950,004.27 and 382,483.62

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Solution

The fourth proportional to 688,413.87, 950,004.27 and 382,483.62 is: 527,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,413.87 : 950,004.27 = 382,483.62 : x
  2. Step 2: Convert to fraction form
    688,413.87/950,004.27 = 382,483.62/x
  3. Step 3: Cross multiply
    688,413.87x = 950,004.27 × 382,483.62
  4. Step 4: Simplify right side
    688,413.87x = 363,361,072,205.06
  5. Step 5: Solve for x
    x = 363,361,072,205.06/688,413.87
  6. Step 6: Final answer
    x = 527,823.58

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1.5x scale

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.