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Finding the Fourth Proportional to 560,485.31, 840,861.36 and 181,406.07

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Solution

The fourth proportional to 560,485.31, 840,861.36 and 181,406.07 is: 272,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,485.31 : 840,861.36 = 181,406.07 : x
  2. Step 2: Convert to fraction form
    560,485.31/840,861.36 = 181,406.07/x
  3. Step 3: Cross multiply
    560,485.31x = 840,861.36 × 181,406.07
  4. Step 4: Simplify right side
    560,485.31x = 152,537,354,732.46
  5. Step 5: Solve for x
    x = 152,537,354,732.46/560,485.31
  6. Step 6: Final answer
    x = 272,152.28

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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.