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Finding the Fourth Proportional to 594,085.68, 819,881.60 and 339,431.40

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Solution

The fourth proportional to 594,085.68, 819,881.60 and 339,431.40 is: 468,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,085.68 : 819,881.60 = 339,431.40 : x
  2. Step 2: Convert to fraction form
    594,085.68/819,881.60 = 339,431.40/x
  3. Step 3: Cross multiply
    594,085.68x = 819,881.60 × 339,431.40
  4. Step 4: Simplify right side
    594,085.68x = 278,293,559,322.24
  5. Step 5: Solve for x
    x = 278,293,559,322.24/594,085.68
  6. Step 6: Final answer
    x = 468,440.11

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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.