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Finding the Fourth Proportional to 632,603.60, 949,255.64 and 258,889.04

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Solution

The fourth proportional to 632,603.60, 949,255.64 and 258,889.04 is: 388,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,603.60 : 949,255.64 = 258,889.04 : x
  2. Step 2: Convert to fraction form
    632,603.60/949,255.64 = 258,889.04/x
  3. Step 3: Cross multiply
    632,603.60x = 949,255.64 × 258,889.04
  4. Step 4: Simplify right side
    632,603.60x = 245,751,881,354.19
  5. Step 5: Solve for x
    x = 245,751,881,354.19/632,603.60
  6. Step 6: Final answer
    x = 388,476.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.