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Finding the Fourth Proportional to 727,903.72, 1,004,594.34 and 426,097

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Solution

The fourth proportional to 727,903.72, 1,004,594.34 and 426,097 is: 588,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,903.72 : 1,004,594.34 = 426,097 : x
  2. Step 2: Convert to fraction form
    727,903.72/1,004,594.34 = 426,097/x
  3. Step 3: Cross multiply
    727,903.72x = 1,004,594.34 × 426,097
  4. Step 4: Simplify right side
    727,903.72x = 428,054,634,490.98
  5. Step 5: Solve for x
    x = 428,054,634,490.98/727,903.72
  6. Step 6: Final answer
    x = 588,064.91

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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.