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Finding the Fourth Proportional to 560,543.67, 773,566.70 and 305,911.23

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Solution

The fourth proportional to 560,543.67, 773,566.70 and 305,911.23 is: 422,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,543.67 : 773,566.70 = 305,911.23 : x
  2. Step 2: Convert to fraction form
    560,543.67/773,566.70 = 305,911.23/x
  3. Step 3: Cross multiply
    560,543.67x = 773,566.70 × 305,911.23
  4. Step 4: Simplify right side
    560,543.67x = 236,642,739,154.49
  5. Step 5: Solve for x
    x = 236,642,739,154.49/560,543.67
  6. Step 6: Final answer
    x = 422,166.46

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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.