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Finding the Fourth Proportional to 453,713.32, 626,160.56 and 262,730.08

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Solution

The fourth proportional to 453,713.32, 626,160.56 and 262,730.08 is: 362,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,713.32 : 626,160.56 = 262,730.08 : x
  2. Step 2: Convert to fraction form
    453,713.32/626,160.56 = 262,730.08/x
  3. Step 3: Cross multiply
    453,713.32x = 626,160.56 × 262,730.08
  4. Step 4: Simplify right side
    453,713.32x = 164,511,214,021.65
  5. Step 5: Solve for x
    x = 164,511,214,021.65/453,713.32
  6. Step 6: Final answer
    x = 362,588.46

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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.