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Finding the Fourth Proportional to 472,804.80, 709,207.20 and 367,051.20

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Solution

The fourth proportional to 472,804.80, 709,207.20 and 367,051.20 is: 550,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,804.80 : 709,207.20 = 367,051.20 : x
  2. Step 2: Convert to fraction form
    472,804.80/709,207.20 = 367,051.20/x
  3. Step 3: Cross multiply
    472,804.80x = 709,207.20 × 367,051.20
  4. Step 4: Simplify right side
    472,804.80x = 260,315,353,808.64
  5. Step 5: Solve for x
    x = 260,315,353,808.64/472,804.80
  6. Step 6: Final answer
    x = 550,576.80

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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.