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Finding the Fourth Proportional to 706,571.41, 975,069.02 and 396,431.18

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Solution

The fourth proportional to 706,571.41, 975,069.02 and 396,431.18 is: 547,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,571.41 : 975,069.02 = 396,431.18 : x
  2. Step 2: Convert to fraction form
    706,571.41/975,069.02 = 396,431.18/x
  3. Step 3: Cross multiply
    706,571.41x = 975,069.02 × 396,431.18
  4. Step 4: Simplify right side
    706,571.41x = 386,547,762,180.04
  5. Step 5: Solve for x
    x = 386,547,762,180.04/706,571.41
  6. Step 6: Final answer
    x = 547,075.29

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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.