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Finding the Fourth Proportional to 344,172.48, 474,880.86 and 193,259.76

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Solution

The fourth proportional to 344,172.48, 474,880.86 and 193,259.76 is: 266,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,172.48 : 474,880.86 = 193,259.76 : x
  2. Step 2: Convert to fraction form
    344,172.48/474,880.86 = 193,259.76/x
  3. Step 3: Cross multiply
    344,172.48x = 474,880.86 × 193,259.76
  4. Step 4: Simplify right side
    344,172.48x = 91,775,361,032.19
  5. Step 5: Solve for x
    x = 91,775,361,032.19/344,172.48
  6. Step 6: Final answer
    x = 266,655.14

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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.