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Finding the Fourth Proportional to 373,769.61, 560,080.32 and 253,670.49

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Solution

The fourth proportional to 373,769.61, 560,080.32 and 253,670.49 is: 380,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,769.61 : 560,080.32 = 253,670.49 : x
  2. Step 2: Convert to fraction form
    373,769.61/560,080.32 = 253,670.49/x
  3. Step 3: Cross multiply
    373,769.61x = 560,080.32 × 253,670.49
  4. Step 4: Simplify right side
    373,769.61x = 142,075,849,213.76
  5. Step 5: Solve for x
    x = 142,075,849,213.76/373,769.61
  6. Step 6: Final answer
    x = 380,116.11

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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.