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Finding the Fourth Proportional to 560,282.64, 773,185.06 and 305,628.36

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Solution

The fourth proportional to 560,282.64, 773,185.06 and 305,628.36 is: 421,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,282.64 : 773,185.06 = 305,628.36 : x
  2. Step 2: Convert to fraction form
    560,282.64/773,185.06 = 305,628.36/x
  3. Step 3: Cross multiply
    560,282.64x = 773,185.06 × 305,628.36
  4. Step 4: Simplify right side
    560,282.64x = 236,307,281,864.30
  5. Step 5: Solve for x
    x = 236,307,281,864.30/560,282.64
  6. Step 6: Final answer
    x = 421,764.42

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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.