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Finding the Fourth Proportional to 659,651.34, 910,320.60 and 357,845.34

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Solution

The fourth proportional to 659,651.34, 910,320.60 and 357,845.34 is: 493,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,651.34 : 910,320.60 = 357,845.34 : x
  2. Step 2: Convert to fraction form
    659,651.34/910,320.60 = 357,845.34/x
  3. Step 3: Cross multiply
    659,651.34x = 910,320.60 × 357,845.34
  4. Step 4: Simplify right side
    659,651.34x = 325,753,984,616.00
  5. Step 5: Solve for x
    x = 325,753,984,616.00/659,651.34
  6. Step 6: Final answer
    x = 493,827.52

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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.