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Finding the Fourth Proportional to 539,482.40, 808,575.60 and 223,776.80

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Solution

The fourth proportional to 539,482.40, 808,575.60 and 223,776.80 is: 335,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,482.40 : 808,575.60 = 223,776.80 : x
  2. Step 2: Convert to fraction form
    539,482.40/808,575.60 = 223,776.80/x
  3. Step 3: Cross multiply
    539,482.40x = 808,575.60 × 223,776.80
  4. Step 4: Simplify right side
    539,482.40x = 180,940,460,326.08
  5. Step 5: Solve for x
    x = 180,940,460,326.08/539,482.40
  6. Step 6: Final answer
    x = 335,396.41

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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.