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Finding the Fourth Proportional to 616,276.80, 925,365.60 and 336,340.80

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Solution

The fourth proportional to 616,276.80, 925,365.60 and 336,340.80 is: 505,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,276.80 : 925,365.60 = 336,340.80 : x
  2. Step 2: Convert to fraction form
    616,276.80/925,365.60 = 336,340.80/x
  3. Step 3: Cross multiply
    616,276.80x = 925,365.60 × 336,340.80
  4. Step 4: Simplify right side
    616,276.80x = 311,238,206,196.48
  5. Step 5: Solve for x
    x = 311,238,206,196.48/616,276.80
  6. Step 6: Final answer
    x = 505,029.89

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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.