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Finding the Fourth Proportional to 604,670.87, 905,012.80 and 334,383.19

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Solution

The fourth proportional to 604,670.87, 905,012.80 and 334,383.19 is: 500,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,670.87 : 905,012.80 = 334,383.19 : x
  2. Step 2: Convert to fraction form
    604,670.87/905,012.80 = 334,383.19/x
  3. Step 3: Cross multiply
    604,670.87x = 905,012.80 × 334,383.19
  4. Step 4: Simplify right side
    604,670.87x = 302,621,063,956.34
  5. Step 5: Solve for x
    x = 302,621,063,956.34/604,670.87
  6. Step 6: Final answer
    x = 500,472.37

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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.