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Finding the Fourth Proportional to 703,769.06, 972,008.43 and 463,125.93

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Solution

The fourth proportional to 703,769.06, 972,008.43 and 463,125.93 is: 639,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,769.06 : 972,008.43 = 463,125.93 : x
  2. Step 2: Convert to fraction form
    703,769.06/972,008.43 = 463,125.93/x
  3. Step 3: Cross multiply
    703,769.06x = 972,008.43 × 463,125.93
  4. Step 4: Simplify right side
    703,769.06x = 450,162,308,111.59
  5. Step 5: Solve for x
    x = 450,162,308,111.59/703,769.06
  6. Step 6: Final answer
    x = 639,644.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.