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Finding the Fourth Proportional to 830,379.72, 1,144,729.62 and 591,501

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Solution

The fourth proportional to 830,379.72, 1,144,729.62 and 591,501 is: 815,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,379.72 : 1,144,729.62 = 591,501 : x
  2. Step 2: Convert to fraction form
    830,379.72/1,144,729.62 = 591,501/x
  3. Step 3: Cross multiply
    830,379.72x = 1,144,729.62 × 591,501
  4. Step 4: Simplify right side
    830,379.72x = 677,108,714,959.62
  5. Step 5: Solve for x
    x = 677,108,714,959.62/830,379.72
  6. Step 6: Final answer
    x = 815,420.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.