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Finding the Fourth Proportional to 560,644.48, 841,077.68 and 205,661.60

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Solution

The fourth proportional to 560,644.48, 841,077.68 and 205,661.60 is: 308,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,644.48 : 841,077.68 = 205,661.60 : x
  2. Step 2: Convert to fraction form
    560,644.48/841,077.68 = 205,661.60/x
  3. Step 3: Cross multiply
    560,644.48x = 841,077.68 × 205,661.60
  4. Step 4: Simplify right side
    560,644.48x = 172,977,381,393.09
  5. Step 5: Solve for x
    x = 172,977,381,393.09/560,644.48
  6. Step 6: Final answer
    x = 308,533.10

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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.