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Finding the Fourth Proportional to 460,332.60, 689,643.54 and 250,147.32

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Solution

The fourth proportional to 460,332.60, 689,643.54 and 250,147.32 is: 374,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,332.60 : 689,643.54 = 250,147.32 : x
  2. Step 2: Convert to fraction form
    460,332.60/689,643.54 = 250,147.32/x
  3. Step 3: Cross multiply
    460,332.60x = 689,643.54 × 250,147.32
  4. Step 4: Simplify right side
    460,332.60x = 172,512,483,286.31
  5. Step 5: Solve for x
    x = 172,512,483,286.31/460,332.60
  6. Step 6: Final answer
    x = 374,756.17

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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.