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Finding the Fourth Proportional to 614,598.39, 848,281.92 and 399,364.80

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Solution

The fourth proportional to 614,598.39, 848,281.92 and 399,364.80 is: 551,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,598.39 : 848,281.92 = 399,364.80 : x
  2. Step 2: Convert to fraction form
    614,598.39/848,281.92 = 399,364.80/x
  3. Step 3: Cross multiply
    614,598.39x = 848,281.92 × 399,364.80
  4. Step 4: Simplify right side
    614,598.39x = 338,773,939,324.42
  5. Step 5: Solve for x
    x = 338,773,939,324.42/614,598.39
  6. Step 6: Final answer
    x = 551,211.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.