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Finding the Fourth Proportional to 633,634.20, 948,701.70 and 493,666.20

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Solution

The fourth proportional to 633,634.20, 948,701.70 and 493,666.20 is: 739,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,634.20 : 948,701.70 = 493,666.20 : x
  2. Step 2: Convert to fraction form
    633,634.20/948,701.70 = 493,666.20/x
  3. Step 3: Cross multiply
    633,634.20x = 948,701.70 × 493,666.20
  4. Step 4: Simplify right side
    633,634.20x = 468,341,963,172.54
  5. Step 5: Solve for x
    x = 468,341,963,172.54/633,634.20
  6. Step 6: Final answer
    x = 739,136.18

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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.