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Finding the Fourth Proportional to 525,920.85, 725,834.70 and 296,522.32

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Solution

The fourth proportional to 525,920.85, 725,834.70 and 296,522.32 is: 409,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,920.85 : 725,834.70 = 296,522.32 : x
  2. Step 2: Convert to fraction form
    525,920.85/725,834.70 = 296,522.32/x
  3. Step 3: Cross multiply
    525,920.85x = 725,834.70 × 296,522.32
  4. Step 4: Simplify right side
    525,920.85x = 215,226,187,892.89
  5. Step 5: Solve for x
    x = 215,226,187,892.89/525,920.85
  6. Step 6: Final answer
    x = 409,236.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.