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Finding the Fourth Proportional to 453,587.40, 625,976.28 and 260,027.28

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Solution

The fourth proportional to 453,587.40, 625,976.28 and 260,027.28 is: 358,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,587.40 : 625,976.28 = 260,027.28 : x
  2. Step 2: Convert to fraction form
    453,587.40/625,976.28 = 260,027.28/x
  3. Step 3: Cross multiply
    453,587.40x = 625,976.28 × 260,027.28
  4. Step 4: Simplify right side
    453,587.40x = 162,770,909,432.92
  5. Step 5: Solve for x
    x = 162,770,909,432.92/453,587.40
  6. Step 6: Final answer
    x = 358,852.36

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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.