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Finding the Fourth Proportional to 706,692.57, 975,783.12 and 543,089.91

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Solution

The fourth proportional to 706,692.57, 975,783.12 and 543,089.91 is: 749,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,692.57 : 975,783.12 = 543,089.91 : x
  2. Step 2: Convert to fraction form
    706,692.57/975,783.12 = 543,089.91/x
  3. Step 3: Cross multiply
    706,692.57x = 975,783.12 × 543,089.91
  4. Step 4: Simplify right side
    706,692.57x = 529,937,966,820.32
  5. Step 5: Solve for x
    x = 529,937,966,820.32/706,692.57
  6. Step 6: Final answer
    x = 749,884.73

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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.