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Finding the Fourth Proportional to 265,656.80, 367,073.04 and 212,381.60

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Solution

The fourth proportional to 265,656.80, 367,073.04 and 212,381.60 is: 293,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,656.80 : 367,073.04 = 212,381.60 : x
  2. Step 2: Convert to fraction form
    265,656.80/367,073.04 = 212,381.60/x
  3. Step 3: Cross multiply
    265,656.80x = 367,073.04 × 212,381.60
  4. Step 4: Simplify right side
    265,656.80x = 77,959,559,552.06
  5. Step 5: Solve for x
    x = 77,959,559,552.06/265,656.80
  6. Step 6: Final answer
    x = 293,459.68

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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.