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Finding the Fourth Proportional to 586,692.90, 880,031.90 and 187,328.60

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Solution

The fourth proportional to 586,692.90, 880,031.90 and 187,328.60 is: 280,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,692.90 : 880,031.90 = 187,328.60 : x
  2. Step 2: Convert to fraction form
    586,692.90/880,031.90 = 187,328.60/x
  3. Step 3: Cross multiply
    586,692.90x = 880,031.90 × 187,328.60
  4. Step 4: Simplify right side
    586,692.90x = 164,855,143,782.34
  5. Step 5: Solve for x
    x = 164,855,143,782.34/586,692.90
  6. Step 6: Final answer
    x = 280,990.52

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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.