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Finding the Fourth Proportional to 706,542.80, 975,040.52 and 384,259.28

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Solution

The fourth proportional to 706,542.80, 975,040.52 and 384,259.28 is: 530,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,542.80 : 975,040.52 = 384,259.28 : x
  2. Step 2: Convert to fraction form
    706,542.80/975,040.52 = 384,259.28/x
  3. Step 3: Cross multiply
    706,542.80x = 975,040.52 × 384,259.28
  4. Step 4: Simplify right side
    706,542.80x = 374,668,368,186.03
  5. Step 5: Solve for x
    x = 374,668,368,186.03/706,542.80
  6. Step 6: Final answer
    x = 530,284.04

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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.