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Finding the Fourth Proportional to 488,914.80, 733,501.80 and 173,338.80

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Solution

The fourth proportional to 488,914.80, 733,501.80 and 173,338.80 is: 260,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,914.80 : 733,501.80 = 173,338.80 : x
  2. Step 2: Convert to fraction form
    488,914.80/733,501.80 = 173,338.80/x
  3. Step 3: Cross multiply
    488,914.80x = 733,501.80 × 173,338.80
  4. Step 4: Simplify right side
    488,914.80x = 127,144,321,809.84
  5. Step 5: Solve for x
    x = 127,144,321,809.84/488,914.80
  6. Step 6: Final answer
    x = 260,054.15

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1.5x scale

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.