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Finding the Fourth Proportional to 456,798.22, 630,236.61 and 265,774.70

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Solution

The fourth proportional to 456,798.22, 630,236.61 and 265,774.70 is: 366,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,798.22 : 630,236.61 = 265,774.70 : x
  2. Step 2: Convert to fraction form
    456,798.22/630,236.61 = 265,774.70/x
  3. Step 3: Cross multiply
    456,798.22x = 630,236.61 × 265,774.70
  4. Step 4: Simplify right side
    456,798.22x = 167,500,947,527.36
  5. Step 5: Solve for x
    x = 167,500,947,527.36/456,798.22
  6. Step 6: Final answer
    x = 366,684.77

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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.