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Finding the Fourth Proportional to 331,070.04, 456,845.04 and 185,842.58

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Solution

The fourth proportional to 331,070.04, 456,845.04 and 185,842.58 is: 256,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,070.04 : 456,845.04 = 185,842.58 : x
  2. Step 2: Convert to fraction form
    331,070.04/456,845.04 = 185,842.58/x
  3. Step 3: Cross multiply
    331,070.04x = 456,845.04 × 185,842.58
  4. Step 4: Simplify right side
    331,070.04x = 84,901,258,609.58
  5. Step 5: Solve for x
    x = 84,901,258,609.58/331,070.04
  6. Step 6: Final answer
    x = 256,445.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.