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Finding the Fourth Proportional to 404,674.80, 607,595.40 and 305,530.80

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Solution

The fourth proportional to 404,674.80, 607,595.40 and 305,530.80 is: 458,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,674.80 : 607,595.40 = 305,530.80 : x
  2. Step 2: Convert to fraction form
    404,674.80/607,595.40 = 305,530.80/x
  3. Step 3: Cross multiply
    404,674.80x = 607,595.40 × 305,530.80
  4. Step 4: Simplify right side
    404,674.80x = 185,639,108,638.32
  5. Step 5: Solve for x
    x = 185,639,108,638.32/404,674.80
  6. Step 6: Final answer
    x = 458,736.52

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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.