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Finding the Fourth Proportional to 569,985.08, 854,413.80 and 269,938.40

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Solution

The fourth proportional to 569,985.08, 854,413.80 and 269,938.40 is: 404,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,985.08 : 854,413.80 = 269,938.40 : x
  2. Step 2: Convert to fraction form
    569,985.08/854,413.80 = 269,938.40/x
  3. Step 3: Cross multiply
    569,985.08x = 854,413.80 × 269,938.40
  4. Step 4: Simplify right side
    569,985.08x = 230,639,094,109.92
  5. Step 5: Solve for x
    x = 230,639,094,109.92/569,985.08
  6. Step 6: Final answer
    x = 404,640.58

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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.