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Finding the Fourth Proportional to 504,274.02, 695,886.16 and 274,838.55

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Solution

The fourth proportional to 504,274.02, 695,886.16 and 274,838.55 is: 379,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,274.02 : 695,886.16 = 274,838.55 : x
  2. Step 2: Convert to fraction form
    504,274.02/695,886.16 = 274,838.55/x
  3. Step 3: Cross multiply
    504,274.02x = 695,886.16 × 274,838.55
  4. Step 4: Simplify right side
    504,274.02x = 191,256,343,179.47
  5. Step 5: Solve for x
    x = 191,256,343,179.47/504,274.02
  6. Step 6: Final answer
    x = 379,270.67

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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.