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Finding the Fourth Proportional to 453,709.82, 626,155.71 and 262,726.58

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Solution

The fourth proportional to 453,709.82, 626,155.71 and 262,726.58 is: 362,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,709.82 : 626,155.71 = 262,726.58 : x
  2. Step 2: Convert to fraction form
    453,709.82/626,155.71 = 262,726.58/x
  3. Step 3: Cross multiply
    453,709.82x = 626,155.71 × 262,726.58
  4. Step 4: Simplify right side
    453,709.82x = 164,507,748,235.77
  5. Step 5: Solve for x
    x = 164,507,748,235.77/453,709.82
  6. Step 6: Final answer
    x = 362,583.62

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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.