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Finding the Fourth Proportional to 583,207.88, 804,863.94 and 439,714.76

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Solution

The fourth proportional to 583,207.88, 804,863.94 and 439,714.76 is: 606,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,207.88 : 804,863.94 = 439,714.76 : x
  2. Step 2: Convert to fraction form
    583,207.88/804,863.94 = 439,714.76/x
  3. Step 3: Cross multiply
    583,207.88x = 804,863.94 × 439,714.76
  4. Step 4: Simplify right side
    583,207.88x = 353,910,554,209.75
  5. Step 5: Solve for x
    x = 353,910,554,209.75/583,207.88
  6. Step 6: Final answer
    x = 606,834.31

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Double scale
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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.