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Finding the Fourth Proportional to 587,999.20, 880,832.40 and 350,636.80

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Solution

The fourth proportional to 587,999.20, 880,832.40 and 350,636.80 is: 525,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,999.20 : 880,832.40 = 350,636.80 : x
  2. Step 2: Convert to fraction form
    587,999.20/880,832.40 = 350,636.80/x
  3. Step 3: Cross multiply
    587,999.20x = 880,832.40 × 350,636.80
  4. Step 4: Simplify right side
    587,999.20x = 308,852,254,072.32
  5. Step 5: Solve for x
    x = 308,852,254,072.32/587,999.20
  6. Step 6: Final answer
    x = 525,259.65

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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.