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Finding the Fourth Proportional to 536,484.10, 804,726.15 and 449,878.90

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Solution

The fourth proportional to 536,484.10, 804,726.15 and 449,878.90 is: 674,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,484.10 : 804,726.15 = 449,878.90 : x
  2. Step 2: Convert to fraction form
    536,484.10/804,726.15 = 449,878.90/x
  3. Step 3: Cross multiply
    536,484.10x = 804,726.15 × 449,878.90
  4. Step 4: Simplify right side
    536,484.10x = 362,029,315,163.24
  5. Step 5: Solve for x
    x = 362,029,315,163.24/536,484.10
  6. Step 6: Final answer
    x = 674,818.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.