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Finding the Fourth Proportional to 476,964.40, 714,134.40 and 453,344.80

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Solution

The fourth proportional to 476,964.40, 714,134.40 and 453,344.80 is: 678,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,964.40 : 714,134.40 = 453,344.80 : x
  2. Step 2: Convert to fraction form
    476,964.40/714,134.40 = 453,344.80/x
  3. Step 3: Cross multiply
    476,964.40x = 714,134.40 × 453,344.80
  4. Step 4: Simplify right side
    476,964.40x = 323,749,116,741.12
  5. Step 5: Solve for x
    x = 323,749,116,741.12/476,964.40
  6. Step 6: Final answer
    x = 678,769.98

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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.