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Finding the Fourth Proportional to 609,119.20, 912,901.20 and 468,179.20

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Solution

The fourth proportional to 609,119.20, 912,901.20 and 468,179.20 is: 701,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,119.20 : 912,901.20 = 468,179.20 : x
  2. Step 2: Convert to fraction form
    609,119.20/912,901.20 = 468,179.20/x
  3. Step 3: Cross multiply
    609,119.20x = 912,901.20 × 468,179.20
  4. Step 4: Simplify right side
    609,119.20x = 427,401,353,495.04
  5. Step 5: Solve for x
    x = 427,401,353,495.04/609,119.20
  6. Step 6: Final answer
    x = 701,671.12

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1.5x scale

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.