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Finding the Fourth Proportional to 706,692.30, 1,059,710.40 and 307,127.40

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Solution

The fourth proportional to 706,692.30, 1,059,710.40 and 307,127.40 is: 460,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,692.30 : 1,059,710.40 = 307,127.40 : x
  2. Step 2: Convert to fraction form
    706,692.30/1,059,710.40 = 307,127.40/x
  3. Step 3: Cross multiply
    706,692.30x = 1,059,710.40 × 307,127.40
  4. Step 4: Simplify right side
    706,692.30x = 325,466,099,904.96
  5. Step 5: Solve for x
    x = 325,466,099,904.96/706,692.30
  6. Step 6: Final answer
    x = 460,548.53

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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.