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Finding the Fourth Proportional to 404,187.60, 606,281.40 and 333,328.80

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Solution

The fourth proportional to 404,187.60, 606,281.40 and 333,328.80 is: 499,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,187.60 : 606,281.40 = 333,328.80 : x
  2. Step 2: Convert to fraction form
    404,187.60/606,281.40 = 333,328.80/x
  3. Step 3: Cross multiply
    404,187.60x = 606,281.40 × 333,328.80
  4. Step 4: Simplify right side
    404,187.60x = 202,091,051,524.32
  5. Step 5: Solve for x
    x = 202,091,051,524.32/404,187.60
  6. Step 6: Final answer
    x = 499,993.20

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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.