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Finding the Fourth Proportional to 560,922.66, 773,680.50 and 379,554.76

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Solution

The fourth proportional to 560,922.66, 773,680.50 and 379,554.76 is: 523,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,922.66 : 773,680.50 = 379,554.76 : x
  2. Step 2: Convert to fraction form
    560,922.66/773,680.50 = 379,554.76/x
  3. Step 3: Cross multiply
    560,922.66x = 773,680.50 × 379,554.76
  4. Step 4: Simplify right side
    560,922.66x = 293,654,116,494.18
  5. Step 5: Solve for x
    x = 293,654,116,494.18/560,922.66
  6. Step 6: Final answer
    x = 523,519.80

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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.