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Finding the Fourth Proportional to 344,101.80, 516,152.70 and 265,369.80

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Solution

The fourth proportional to 344,101.80, 516,152.70 and 265,369.80 is: 398,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,101.80 : 516,152.70 = 265,369.80 : x
  2. Step 2: Convert to fraction form
    344,101.80/516,152.70 = 265,369.80/x
  3. Step 3: Cross multiply
    344,101.80x = 516,152.70 × 265,369.80
  4. Step 4: Simplify right side
    344,101.80x = 136,971,338,768.46
  5. Step 5: Solve for x
    x = 136,971,338,768.46/344,101.80
  6. Step 6: Final answer
    x = 398,054.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.