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Finding the Fourth Proportional to 692,468.62, 956,038.75 and 447,581.59

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Solution

The fourth proportional to 692,468.62, 956,038.75 and 447,581.59 is: 617,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,468.62 : 956,038.75 = 447,581.59 : x
  2. Step 2: Convert to fraction form
    692,468.62/956,038.75 = 447,581.59/x
  3. Step 3: Cross multiply
    692,468.62x = 956,038.75 × 447,581.59
  4. Step 4: Simplify right side
    692,468.62x = 427,905,340,317.56
  5. Step 5: Solve for x
    x = 427,905,340,317.56/692,468.62
  6. Step 6: Final answer
    x = 617,941.85

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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.