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Finding the Fourth Proportional to 504,019.60, 756,029.40 and 282,374.80

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Solution

The fourth proportional to 504,019.60, 756,029.40 and 282,374.80 is: 423,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,019.60 : 756,029.40 = 282,374.80 : x
  2. Step 2: Convert to fraction form
    504,019.60/756,029.40 = 282,374.80/x
  3. Step 3: Cross multiply
    504,019.60x = 756,029.40 × 282,374.80
  4. Step 4: Simplify right side
    504,019.60x = 213,483,650,619.12
  5. Step 5: Solve for x
    x = 213,483,650,619.12/504,019.60
  6. Step 6: Final answer
    x = 423,562.20

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Similar ratio
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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.