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Finding the Fourth Proportional to 458,933.76, 633,373.56 and 265,349.70

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Solution

The fourth proportional to 458,933.76, 633,373.56 and 265,349.70 is: 366,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,933.76 : 633,373.56 = 265,349.70 : x
  2. Step 2: Convert to fraction form
    458,933.76/633,373.56 = 265,349.70/x
  3. Step 3: Cross multiply
    458,933.76x = 633,373.56 × 265,349.70
  4. Step 4: Simplify right side
    458,933.76x = 168,065,484,133.93
  5. Step 5: Solve for x
    x = 168,065,484,133.93/458,933.76
  6. Step 6: Final answer
    x = 366,208.59

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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.