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Finding the Fourth Proportional to 350,577.90, 525,866.85 and 217,608.30

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Solution

The fourth proportional to 350,577.90, 525,866.85 and 217,608.30 is: 326,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,577.90 : 525,866.85 = 217,608.30 : x
  2. Step 2: Convert to fraction form
    350,577.90/525,866.85 = 217,608.30/x
  3. Step 3: Cross multiply
    350,577.90x = 525,866.85 × 217,608.30
  4. Step 4: Simplify right side
    350,577.90x = 114,432,991,254.86
  5. Step 5: Solve for x
    x = 114,432,991,254.86/350,577.90
  6. Step 6: Final answer
    x = 326,412.45

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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.