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Finding the Fourth Proportional to 620,160.24, 930,070.20 and 170,775.60

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Solution

The fourth proportional to 620,160.24, 930,070.20 and 170,775.60 is: 256,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,160.24 : 930,070.20 = 170,775.60 : x
  2. Step 2: Convert to fraction form
    620,160.24/930,070.20 = 170,775.60/x
  3. Step 3: Cross multiply
    620,160.24x = 930,070.20 × 170,775.60
  4. Step 4: Simplify right side
    620,160.24x = 158,833,296,447.12
  5. Step 5: Solve for x
    x = 158,833,296,447.12/620,160.24
  6. Step 6: Final answer
    x = 256,116.54

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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.