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Finding the Fourth Proportional to 560,136.66, 772,768.53 and 344,903.46

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Solution

The fourth proportional to 560,136.66, 772,768.53 and 344,903.46 is: 475,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,136.66 : 772,768.53 = 344,903.46 : x
  2. Step 2: Convert to fraction form
    560,136.66/772,768.53 = 344,903.46/x
  3. Step 3: Cross multiply
    560,136.66x = 772,768.53 × 344,903.46
  4. Step 4: Simplify right side
    560,136.66x = 266,530,539,776.11
  5. Step 5: Solve for x
    x = 266,530,539,776.11/560,136.66
  6. Step 6: Final answer
    x = 475,831.27

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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.