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Finding the Fourth Proportional to 601,910.98, 830,631.85 and 329,973.93

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Solution

The fourth proportional to 601,910.98, 830,631.85 and 329,973.93 is: 455,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,910.98 : 830,631.85 = 329,973.93 : x
  2. Step 2: Convert to fraction form
    601,910.98/830,631.85 = 329,973.93/x
  3. Step 3: Cross multiply
    601,910.98x = 830,631.85 × 329,973.93
  4. Step 4: Simplify right side
    601,910.98x = 274,086,855,927.67
  5. Step 5: Solve for x
    x = 274,086,855,927.67/601,910.98
  6. Step 6: Final answer
    x = 455,361.12

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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.