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Finding the Fourth Proportional to 560,830.77, 774,035.33 and 356,668.85

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Solution

The fourth proportional to 560,830.77, 774,035.33 and 356,668.85 is: 492,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,830.77 : 774,035.33 = 356,668.85 : x
  2. Step 2: Convert to fraction form
    560,830.77/774,035.33 = 356,668.85/x
  3. Step 3: Cross multiply
    560,830.77x = 774,035.33 × 356,668.85
  4. Step 4: Simplify right side
    560,830.77x = 276,074,291,162.22
  5. Step 5: Solve for x
    x = 276,074,291,162.22/560,830.77
  6. Step 6: Final answer
    x = 492,259.53

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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.