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Finding the Fourth Proportional to 594,421.56, 820,301.76 and 339,778.26

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Solution

The fourth proportional to 594,421.56, 820,301.76 and 339,778.26 is: 468,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,421.56 : 820,301.76 = 339,778.26 : x
  2. Step 2: Convert to fraction form
    594,421.56/820,301.76 = 339,778.26/x
  3. Step 3: Cross multiply
    594,421.56x = 820,301.76 × 339,778.26
  4. Step 4: Simplify right side
    594,421.56x = 278,720,704,687.74
  5. Step 5: Solve for x
    x = 278,720,704,687.74/594,421.56
  6. Step 6: Final answer
    x = 468,894.00

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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.