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Finding the Fourth Proportional to 580,544.10, 870,816.15 and 353,205.45

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Solution

The fourth proportional to 580,544.10, 870,816.15 and 353,205.45 is: 529,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,544.10 : 870,816.15 = 353,205.45 : x
  2. Step 2: Convert to fraction form
    580,544.10/870,816.15 = 353,205.45/x
  3. Step 3: Cross multiply
    580,544.10x = 870,816.15 × 353,205.45
  4. Step 4: Simplify right side
    580,544.10x = 307,577,010,128.02
  5. Step 5: Solve for x
    x = 307,577,010,128.02/580,544.10
  6. Step 6: Final answer
    x = 529,808.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.