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Finding the Fourth Proportional to 379,426.32, 569,925.72 and 301,091.76

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Solution

The fourth proportional to 379,426.32, 569,925.72 and 301,091.76 is: 452,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,426.32 : 569,925.72 = 301,091.76 : x
  2. Step 2: Convert to fraction form
    379,426.32/569,925.72 = 301,091.76/x
  3. Step 3: Cross multiply
    379,426.32x = 569,925.72 × 301,091.76
  4. Step 4: Simplify right side
    379,426.32x = 171,599,938,104.07
  5. Step 5: Solve for x
    x = 171,599,938,104.07/379,426.32
  6. Step 6: Final answer
    x = 452,261.56

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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.