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Finding the Fourth Proportional to 349,834.60, 525,011.10 and 256,522.60

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Solution

The fourth proportional to 349,834.60, 525,011.10 and 256,522.60 is: 384,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,834.60 : 525,011.10 = 256,522.60 : x
  2. Step 2: Convert to fraction form
    349,834.60/525,011.10 = 256,522.60/x
  3. Step 3: Cross multiply
    349,834.60x = 525,011.10 × 256,522.60
  4. Step 4: Simplify right side
    349,834.60x = 134,677,212,400.86
  5. Step 5: Solve for x
    x = 134,677,212,400.86/349,834.60
  6. Step 6: Final answer
    x = 384,973.96

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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.