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Finding the Fourth Proportional to 676,571.50, 933,668.58 and 404,639.35

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Solution

The fourth proportional to 676,571.50, 933,668.58 and 404,639.35 is: 558,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,571.50 : 933,668.58 = 404,639.35 : x
  2. Step 2: Convert to fraction form
    676,571.50/933,668.58 = 404,639.35/x
  3. Step 3: Cross multiply
    676,571.50x = 933,668.58 × 404,639.35
  4. Step 4: Simplify right side
    676,571.50x = 377,799,040,635.08
  5. Step 5: Solve for x
    x = 377,799,040,635.08/676,571.50
  6. Step 6: Final answer
    x = 558,402.24

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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.