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Finding the Fourth Proportional to 351,256.40, 525,718.20 and 351,256.40

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Solution

The fourth proportional to 351,256.40, 525,718.20 and 351,256.40 is: 525,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,256.40 : 525,718.20 = 351,256.40 : x
  2. Step 2: Convert to fraction form
    351,256.40/525,718.20 = 351,256.40/x
  3. Step 3: Cross multiply
    351,256.40x = 525,718.20 × 351,256.40
  4. Step 4: Simplify right side
    351,256.40x = 184,661,882,346.48
  5. Step 5: Solve for x
    x = 184,661,882,346.48/351,256.40
  6. Step 6: Final answer
    x = 525,718.20

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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.