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Finding the Fourth Proportional to 594,085.32, 819,881.19 and 339,431.04

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Solution

The fourth proportional to 594,085.32, 819,881.19 and 339,431.04 is: 468,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,085.32 : 819,881.19 = 339,431.04 : x
  2. Step 2: Convert to fraction form
    594,085.32/819,881.19 = 339,431.04/x
  3. Step 3: Cross multiply
    594,085.32x = 819,881.19 × 339,431.04
  4. Step 4: Simplify right side
    594,085.32x = 278,293,124,998.14
  5. Step 5: Solve for x
    x = 278,293,124,998.14/594,085.32
  6. Step 6: Final answer
    x = 468,439.66

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1.5x scale

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.