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Finding the Fourth Proportional to 609,658.39, 841,156.75 and 351,515.04

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Solution

The fourth proportional to 609,658.39, 841,156.75 and 351,515.04 is: 484,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,658.39 : 841,156.75 = 351,515.04 : x
  2. Step 2: Convert to fraction form
    609,658.39/841,156.75 = 351,515.04/x
  3. Step 3: Cross multiply
    609,658.39x = 841,156.75 × 351,515.04
  4. Step 4: Simplify right side
    609,658.39x = 295,679,248,622.52
  5. Step 5: Solve for x
    x = 295,679,248,622.52/609,658.39
  6. Step 6: Final answer
    x = 484,991.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.