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Finding the Fourth Proportional to 256,796.04, 354,492.05 and 153,466.71

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Solution

The fourth proportional to 256,796.04, 354,492.05 and 153,466.71 is: 211,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,796.04 : 354,492.05 = 153,466.71 : x
  2. Step 2: Convert to fraction form
    256,796.04/354,492.05 = 153,466.71/x
  3. Step 3: Cross multiply
    256,796.04x = 354,492.05 × 153,466.71
  4. Step 4: Simplify right side
    256,796.04x = 54,402,728,634.66
  5. Step 5: Solve for x
    x = 54,402,728,634.66/256,796.04
  6. Step 6: Final answer
    x = 211,851.90

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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.