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Finding the Fourth Proportional to 659,650.60, 910,319.58 and 357,844.60

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Solution

The fourth proportional to 659,650.60, 910,319.58 and 357,844.60 is: 493,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,650.60 : 910,319.58 = 357,844.60 : x
  2. Step 2: Convert to fraction form
    659,650.60/910,319.58 = 357,844.60/x
  3. Step 3: Cross multiply
    659,650.60x = 910,319.58 × 357,844.60
  4. Step 4: Simplify right side
    659,650.60x = 325,752,945,977.27
  5. Step 5: Solve for x
    x = 325,752,945,977.27/659,650.60
  6. Step 6: Final answer
    x = 493,826.50

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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.