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Finding the Fourth Proportional to 587,917.96, 810,125.94 and 556,159.24

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Solution

The fourth proportional to 587,917.96, 810,125.94 and 556,159.24 is: 766,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,917.96 : 810,125.94 = 556,159.24 : x
  2. Step 2: Convert to fraction form
    587,917.96/810,125.94 = 556,159.24/x
  3. Step 3: Cross multiply
    587,917.96x = 810,125.94 × 556,159.24
  4. Step 4: Simplify right side
    587,917.96x = 450,559,027,094.69
  5. Step 5: Solve for x
    x = 450,559,027,094.69/587,917.96
  6. Step 6: Final answer
    x = 766,363.77

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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.