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Finding the Fourth Proportional to 607,209.58, 910,655.40 and 180,630.55

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Solution

The fourth proportional to 607,209.58, 910,655.40 and 180,630.55 is: 270,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,209.58 : 910,655.40 = 180,630.55 : x
  2. Step 2: Convert to fraction form
    607,209.58/910,655.40 = 180,630.55/x
  3. Step 3: Cross multiply
    607,209.58x = 910,655.40 × 180,630.55
  4. Step 4: Simplify right side
    607,209.58x = 164,492,187,578.15
  5. Step 5: Solve for x
    x = 164,492,187,578.15/607,209.58
  6. Step 6: Final answer
    x = 270,898.54

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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.