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Finding the Fourth Proportional to 610,704.77, 842,777.25 and 335,060.78

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Solution

The fourth proportional to 610,704.77, 842,777.25 and 335,060.78 is: 462,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,704.77 : 842,777.25 = 335,060.78 : x
  2. Step 2: Convert to fraction form
    610,704.77/842,777.25 = 335,060.78/x
  3. Step 3: Cross multiply
    610,704.77x = 842,777.25 × 335,060.78
  4. Step 4: Simplify right side
    610,704.77x = 282,381,602,751.26
  5. Step 5: Solve for x
    x = 282,381,602,751.26/610,704.77
  6. Step 6: Final answer
    x = 462,386.44

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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.