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Finding the Fourth Proportional to 606,964.04, 837,671.82 and 521,206.90

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Solution

The fourth proportional to 606,964.04, 837,671.82 and 521,206.90 is: 719,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,964.04 : 837,671.82 = 521,206.90 : x
  2. Step 2: Convert to fraction form
    606,964.04/837,671.82 = 521,206.90/x
  3. Step 3: Cross multiply
    606,964.04x = 837,671.82 × 521,206.90
  4. Step 4: Simplify right side
    606,964.04x = 436,600,325,725.16
  5. Step 5: Solve for x
    x = 436,600,325,725.16/606,964.04
  6. Step 6: Final answer
    x = 719,318.28

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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.