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Finding the Fourth Proportional to 453,390.76, 625,669.14 and 262,400.32

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Solution

The fourth proportional to 453,390.76, 625,669.14 and 262,400.32 is: 362,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,390.76 : 625,669.14 = 262,400.32 : x
  2. Step 2: Convert to fraction form
    453,390.76/625,669.14 = 262,400.32/x
  3. Step 3: Cross multiply
    453,390.76x = 625,669.14 × 262,400.32
  4. Step 4: Simplify right side
    453,390.76x = 164,175,782,550.13
  5. Step 5: Solve for x
    x = 164,175,782,550.13/453,390.76
  6. Step 6: Final answer
    x = 362,106.59

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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.