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Finding the Fourth Proportional to 592,808.10, 889,212.15 and 380,231.70

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Solution

The fourth proportional to 592,808.10, 889,212.15 and 380,231.70 is: 570,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,808.10 : 889,212.15 = 380,231.70 : x
  2. Step 2: Convert to fraction form
    592,808.10/889,212.15 = 380,231.70/x
  3. Step 3: Cross multiply
    592,808.10x = 889,212.15 × 380,231.70
  4. Step 4: Simplify right side
    592,808.10x = 338,106,647,455.16
  5. Step 5: Solve for x
    x = 338,106,647,455.16/592,808.10
  6. Step 6: Final answer
    x = 570,347.55

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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.