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Finding the Fourth Proportional to 336,073.60, 504,110.40 and 310,412.80

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Solution

The fourth proportional to 336,073.60, 504,110.40 and 310,412.80 is: 465,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,073.60 : 504,110.40 = 310,412.80 : x
  2. Step 2: Convert to fraction form
    336,073.60/504,110.40 = 310,412.80/x
  3. Step 3: Cross multiply
    336,073.60x = 504,110.40 × 310,412.80
  4. Step 4: Simplify right side
    336,073.60x = 156,482,320,773.12
  5. Step 5: Solve for x
    x = 156,482,320,773.12/336,073.60
  6. Step 6: Final answer
    x = 465,619.20

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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.