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Finding the Fourth Proportional to 886,907.52, 1,330,492.52 and 325,898.28

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Solution

The fourth proportional to 886,907.52, 1,330,492.52 and 325,898.28 is: 488,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,907.52 : 1,330,492.52 = 325,898.28 : x
  2. Step 2: Convert to fraction form
    886,907.52/1,330,492.52 = 325,898.28/x
  3. Step 3: Cross multiply
    886,907.52x = 1,330,492.52 × 325,898.28
  4. Step 4: Simplify right side
    886,907.52x = 433,605,223,820.87
  5. Step 5: Solve for x
    x = 433,605,223,820.87/886,907.52
  6. Step 6: Final answer
    x = 488,895.64

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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.