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Finding the Fourth Proportional to 237,809.40, 356,714.10 and 216,036.60

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Solution

The fourth proportional to 237,809.40, 356,714.10 and 216,036.60 is: 324,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,809.40 : 356,714.10 = 216,036.60 : x
  2. Step 2: Convert to fraction form
    237,809.40/356,714.10 = 216,036.60/x
  3. Step 3: Cross multiply
    237,809.40x = 356,714.10 × 216,036.60
  4. Step 4: Simplify right side
    237,809.40x = 77,063,301,336.06
  5. Step 5: Solve for x
    x = 77,063,301,336.06/237,809.40
  6. Step 6: Final answer
    x = 324,054.90

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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.