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Finding the Fourth Proportional to 616,128.28, 924,297.51 and 274,695.60

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Solution

The fourth proportional to 616,128.28, 924,297.51 and 274,695.60 is: 412,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,128.28 : 924,297.51 = 274,695.60 : x
  2. Step 2: Convert to fraction form
    616,128.28/924,297.51 = 274,695.60/x
  3. Step 3: Cross multiply
    616,128.28x = 924,297.51 × 274,695.60
  4. Step 4: Simplify right side
    616,128.28x = 253,900,453,467.68
  5. Step 5: Solve for x
    x = 253,900,453,467.68/616,128.28
  6. Step 6: Final answer
    x = 412,090.24

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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.