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Finding the Fourth Proportional to 356,529.60, 534,794.40 and 339,033.60

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Solution

The fourth proportional to 356,529.60, 534,794.40 and 339,033.60 is: 508,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,529.60 : 534,794.40 = 339,033.60 : x
  2. Step 2: Convert to fraction form
    356,529.60/534,794.40 = 339,033.60/x
  3. Step 3: Cross multiply
    356,529.60x = 534,794.40 × 339,033.60
  4. Step 4: Simplify right side
    356,529.60x = 181,313,270,691.84
  5. Step 5: Solve for x
    x = 181,313,270,691.84/356,529.60
  6. Step 6: Final answer
    x = 508,550.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.