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Finding the Fourth Proportional to 610,526.96, 842,529.68 and 338,620.24

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Solution

The fourth proportional to 610,526.96, 842,529.68 and 338,620.24 is: 467,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,526.96 : 842,529.68 = 338,620.24 : x
  2. Step 2: Convert to fraction form
    610,526.96/842,529.68 = 338,620.24/x
  3. Step 3: Cross multiply
    610,526.96x = 842,529.68 × 338,620.24
  4. Step 4: Simplify right side
    610,526.96x = 285,297,602,448.72
  5. Step 5: Solve for x
    x = 285,297,602,448.72/610,526.96
  6. Step 6: Final answer
    x = 467,297.30

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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.