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Finding the Fourth Proportional to 473,051.20, 709,576.80 and 331,333.60

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Solution

The fourth proportional to 473,051.20, 709,576.80 and 331,333.60 is: 497,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,051.20 : 709,576.80 = 331,333.60 : x
  2. Step 2: Convert to fraction form
    473,051.20/709,576.80 = 331,333.60/x
  3. Step 3: Cross multiply
    473,051.20x = 709,576.80 × 331,333.60
  4. Step 4: Simplify right side
    473,051.20x = 235,106,635,620.48
  5. Step 5: Solve for x
    x = 235,106,635,620.48/473,051.20
  6. Step 6: Final answer
    x = 497,000.40

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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.