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Finding the Fourth Proportional to 583,876.10, 875,814.15 and 331,058.90

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Solution

The fourth proportional to 583,876.10, 875,814.15 and 331,058.90 is: 496,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,876.10 : 875,814.15 = 331,058.90 : x
  2. Step 2: Convert to fraction form
    583,876.10/875,814.15 = 331,058.90/x
  3. Step 3: Cross multiply
    583,876.10x = 875,814.15 × 331,058.90
  4. Step 4: Simplify right side
    583,876.10x = 289,946,069,103.44
  5. Step 5: Solve for x
    x = 289,946,069,103.44/583,876.10
  6. Step 6: Final answer
    x = 496,588.35

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Half scale
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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.