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Finding the Fourth Proportional to 810,659.62, 1,118,779.32 and 471,106

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Solution

The fourth proportional to 810,659.62, 1,118,779.32 and 471,106 is: 650,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,659.62 : 1,118,779.32 = 471,106 : x
  2. Step 2: Convert to fraction form
    810,659.62/1,118,779.32 = 471,106/x
  3. Step 3: Cross multiply
    810,659.62x = 1,118,779.32 × 471,106
  4. Step 4: Simplify right side
    810,659.62x = 527,063,650,327.92
  5. Step 5: Solve for x
    x = 527,063,650,327.92/810,659.62
  6. Step 6: Final answer
    x = 650,166.40

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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.