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Finding the Fourth Proportional to 692,581.10, 955,777.95 and 434,468.90

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Solution

The fourth proportional to 692,581.10, 955,777.95 and 434,468.90 is: 599,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,581.10 : 955,777.95 = 434,468.90 : x
  2. Step 2: Convert to fraction form
    692,581.10/955,777.95 = 434,468.90/x
  3. Step 3: Cross multiply
    692,581.10x = 955,777.95 × 434,468.90
  4. Step 4: Simplify right side
    692,581.10x = 415,255,789,801.87
  5. Step 5: Solve for x
    x = 415,255,789,801.87/692,581.10
  6. Step 6: Final answer
    x = 599,577.14

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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.