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Finding the Fourth Proportional to 313,722.90, 433,000.44 and 186,373.89

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Solution

The fourth proportional to 313,722.90, 433,000.44 and 186,373.89 is: 257,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,722.90 : 433,000.44 = 186,373.89 : x
  2. Step 2: Convert to fraction form
    313,722.90/433,000.44 = 186,373.89/x
  3. Step 3: Cross multiply
    313,722.90x = 433,000.44 × 186,373.89
  4. Step 4: Simplify right side
    313,722.90x = 80,699,976,374.51
  5. Step 5: Solve for x
    x = 80,699,976,374.51/313,722.90
  6. Step 6: Final answer
    x = 257,233.30

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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.