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Finding the Fourth Proportional to 777,596.72, 1,072,953.61 and 433,357.52

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Solution

The fourth proportional to 777,596.72, 1,072,953.61 and 433,357.52 is: 597,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,596.72 : 1,072,953.61 = 433,357.52 : x
  2. Step 2: Convert to fraction form
    777,596.72/1,072,953.61 = 433,357.52/x
  3. Step 3: Cross multiply
    777,596.72x = 1,072,953.61 × 433,357.52
  4. Step 4: Simplify right side
    777,596.72x = 464,972,509,056.49
  5. Step 5: Solve for x
    x = 464,972,509,056.49/777,596.72
  6. Step 6: Final answer
    x = 597,961.00

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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.