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Finding the Fourth Proportional to 610,529.96, 842,533.82 and 338,623.24

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Solution

The fourth proportional to 610,529.96, 842,533.82 and 338,623.24 is: 467,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,529.96 : 842,533.82 = 338,623.24 : x
  2. Step 2: Convert to fraction form
    610,529.96/842,533.82 = 338,623.24/x
  3. Step 3: Cross multiply
    610,529.96x = 842,533.82 × 338,623.24
  4. Step 4: Simplify right side
    610,529.96x = 285,301,531,937.98
  5. Step 5: Solve for x
    x = 285,301,531,937.98/610,529.96
  6. Step 6: Final answer
    x = 467,301.44

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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.