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Finding the Fourth Proportional to 704,825.13, 972,659.63 and 382,535.22

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Solution

The fourth proportional to 704,825.13, 972,659.63 and 382,535.22 is: 527,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,825.13 : 972,659.63 = 382,535.22 : x
  2. Step 2: Convert to fraction form
    704,825.13/972,659.63 = 382,535.22/x
  3. Step 3: Cross multiply
    704,825.13x = 972,659.63 × 382,535.22
  4. Step 4: Simplify right side
    704,825.13x = 372,076,563,634.49
  5. Step 5: Solve for x
    x = 372,076,563,634.49/704,825.13
  6. Step 6: Final answer
    x = 527,899.12

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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.