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Finding the Fourth Proportional to 504,211.38, 695,802.78 and 274,770.69

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Solution

The fourth proportional to 504,211.38, 695,802.78 and 274,770.69 is: 379,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,211.38 : 695,802.78 = 274,770.69 : x
  2. Step 2: Convert to fraction form
    504,211.38/695,802.78 = 274,770.69/x
  3. Step 3: Cross multiply
    504,211.38x = 695,802.78 × 274,770.69
  4. Step 4: Simplify right side
    504,211.38x = 191,186,209,964.52
  5. Step 5: Solve for x
    x = 191,186,209,964.52/504,211.38
  6. Step 6: Final answer
    x = 379,178.69

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1.5x scale

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.