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Finding the Fourth Proportional to 594,430.56, 820,314.18 and 339,787.28

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Solution

The fourth proportional to 594,430.56, 820,314.18 and 339,787.28 is: 468,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,430.56 : 820,314.18 = 339,787.28 : x
  2. Step 2: Convert to fraction form
    594,430.56/820,314.18 = 339,787.28/x
  3. Step 3: Cross multiply
    594,430.56x = 820,314.18 × 339,787.28
  4. Step 4: Simplify right side
    594,430.56x = 278,732,323,967.63
  5. Step 5: Solve for x
    x = 278,732,323,967.63/594,430.56
  6. Step 6: Final answer
    x = 468,906.45

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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.