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Finding the Fourth Proportional to 448,034.03, 672,051.05 and 260,914.31

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Solution

The fourth proportional to 448,034.03, 672,051.05 and 260,914.31 is: 391,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,034.03 : 672,051.05 = 260,914.31 : x
  2. Step 2: Convert to fraction form
    448,034.03/672,051.05 = 260,914.31/x
  3. Step 3: Cross multiply
    448,034.03x = 672,051.05 × 260,914.31
  4. Step 4: Simplify right side
    448,034.03x = 175,347,738,327.94
  5. Step 5: Solve for x
    x = 175,347,738,327.94/448,034.03
  6. Step 6: Final answer
    x = 391,371.47

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Similar ratio
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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.