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Finding the Fourth Proportional to 671,701.63, 925,371.59 and 467,401.21

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Solution

The fourth proportional to 671,701.63, 925,371.59 and 467,401.21 is: 643,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,701.63 : 925,371.59 = 467,401.21 : x
  2. Step 2: Convert to fraction form
    671,701.63/925,371.59 = 467,401.21/x
  3. Step 3: Cross multiply
    671,701.63x = 925,371.59 × 467,401.21
  4. Step 4: Simplify right side
    671,701.63x = 432,519,798,528.62
  5. Step 5: Solve for x
    x = 432,519,798,528.62/671,701.63
  6. Step 6: Final answer
    x = 643,916.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.