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Finding the Fourth Proportional to 560,739.72, 841,121.40 and 200,934.02

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Solution

The fourth proportional to 560,739.72, 841,121.40 and 200,934.02 is: 301,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,739.72 : 841,121.40 = 200,934.02 : x
  2. Step 2: Convert to fraction form
    560,739.72/841,121.40 = 200,934.02/x
  3. Step 3: Cross multiply
    560,739.72x = 841,121.40 × 200,934.02
  4. Step 4: Simplify right side
    560,739.72x = 169,009,904,210.03
  5. Step 5: Solve for x
    x = 169,009,904,210.03/560,739.72
  6. Step 6: Final answer
    x = 301,405.27

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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.