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Finding the Fourth Proportional to 706,692.15, 1,059,610.12 and 317,127.12

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Solution

The fourth proportional to 706,692.15, 1,059,610.12 and 317,127.12 is: 475,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,692.15 : 1,059,610.12 = 317,127.12 : x
  2. Step 2: Convert to fraction form
    706,692.15/1,059,610.12 = 317,127.12/x
  3. Step 3: Cross multiply
    706,692.15x = 1,059,610.12 × 317,127.12
  4. Step 4: Simplify right side
    706,692.15x = 336,031,105,678.45
  5. Step 5: Solve for x
    x = 336,031,105,678.45/706,692.15
  6. Step 6: Final answer
    x = 475,498.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.