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Finding the Fourth Proportional to 473,003.40, 709,505.10 and 463,672.20

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Solution

The fourth proportional to 473,003.40, 709,505.10 and 463,672.20 is: 695,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003.40 : 709,505.10 = 463,672.20 : x
  2. Step 2: Convert to fraction form
    473,003.40/709,505.10 = 463,672.20/x
  3. Step 3: Cross multiply
    473,003.40x = 709,505.10 × 463,672.20
  4. Step 4: Simplify right side
    473,003.40x = 328,977,790,628.22
  5. Step 5: Solve for x
    x = 328,977,790,628.22/473,003.40
  6. Step 6: Final answer
    x = 695,508.30

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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.