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Finding the Fourth Proportional to 560,644.60, 841,077.66 and 205,661.68

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Solution

The fourth proportional to 560,644.60, 841,077.66 and 205,661.68 is: 308,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,644.60 : 841,077.66 = 205,661.68 : x
  2. Step 2: Convert to fraction form
    560,644.60/841,077.66 = 205,661.68/x
  3. Step 3: Cross multiply
    560,644.60x = 841,077.66 × 205,661.68
  4. Step 4: Simplify right side
    560,644.60x = 172,977,444,566.07
  5. Step 5: Solve for x
    x = 172,977,444,566.07/560,644.60
  6. Step 6: Final answer
    x = 308,533.15

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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.