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Finding the Fourth Proportional to 556,559.04, 768,051.72 and 314,836.44

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Solution

The fourth proportional to 556,559.04, 768,051.72 and 314,836.44 is: 434,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,559.04 : 768,051.72 = 314,836.44 : x
  2. Step 2: Convert to fraction form
    556,559.04/768,051.72 = 314,836.44/x
  3. Step 3: Cross multiply
    556,559.04x = 768,051.72 × 314,836.44
  4. Step 4: Simplify right side
    556,559.04x = 241,810,669,260.68
  5. Step 5: Solve for x
    x = 241,810,669,260.68/556,559.04
  6. Step 6: Final answer
    x = 434,474.43

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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.