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Finding the Fourth Proportional to 314,392.59, 432,900.99 and 236,980.62

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Solution

The fourth proportional to 314,392.59, 432,900.99 and 236,980.62 is: 326,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,392.59 : 432,900.99 = 236,980.62 : x
  2. Step 2: Convert to fraction form
    314,392.59/432,900.99 = 236,980.62/x
  3. Step 3: Cross multiply
    314,392.59x = 432,900.99 × 236,980.62
  4. Step 4: Simplify right side
    314,392.59x = 102,589,145,008.81
  5. Step 5: Solve for x
    x = 102,589,145,008.81/314,392.59
  6. Step 6: Final answer
    x = 326,309.04

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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.