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Finding the Fourth Proportional to 479,592.09, 661,842.55 and 264,732.25

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Solution

The fourth proportional to 479,592.09, 661,842.55 and 264,732.25 is: 365,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,592.09 : 661,842.55 = 264,732.25 : x
  2. Step 2: Convert to fraction form
    479,592.09/661,842.55 = 264,732.25/x
  3. Step 3: Cross multiply
    479,592.09x = 661,842.55 × 264,732.25
  4. Step 4: Simplify right side
    479,592.09x = 175,211,065,835.38
  5. Step 5: Solve for x
    x = 175,211,065,835.38/479,592.09
  6. Step 6: Final answer
    x = 365,333.52

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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.