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Finding the Fourth Proportional to 583,999.40, 875,999.10 and 580,062.80

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Solution

The fourth proportional to 583,999.40, 875,999.10 and 580,062.80 is: 870,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,999.40 : 875,999.10 = 580,062.80 : x
  2. Step 2: Convert to fraction form
    583,999.40/875,999.10 = 580,062.80/x
  3. Step 3: Cross multiply
    583,999.40x = 875,999.10 × 580,062.80
  4. Step 4: Simplify right side
    583,999.40x = 508,134,490,743.48
  5. Step 5: Solve for x
    x = 508,134,490,743.48/583,999.40
  6. Step 6: Final answer
    x = 870,094.20

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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.