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Finding the Fourth Proportional to 667,454.12, 1,000,014.77 and 555,852.32

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Solution

The fourth proportional to 667,454.12, 1,000,014.77 and 555,852.32 is: 832,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,454.12 : 1,000,014.77 = 555,852.32 : x
  2. Step 2: Convert to fraction form
    667,454.12/1,000,014.77 = 555,852.32/x
  3. Step 3: Cross multiply
    667,454.12x = 1,000,014.77 × 555,852.32
  4. Step 4: Simplify right side
    667,454.12x = 555,860,526,328.32
  5. Step 5: Solve for x
    x = 555,860,526,328.32/667,454.12
  6. Step 6: Final answer
    x = 832,807.10

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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.