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Finding the Fourth Proportional to 601,665.00, 830,306.88 and 329,730.68

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Solution

The fourth proportional to 601,665.00, 830,306.88 and 329,730.68 is: 455,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,665.00 : 830,306.88 = 329,730.68 : x
  2. Step 2: Convert to fraction form
    601,665.00/830,306.88 = 329,730.68/x
  3. Step 3: Cross multiply
    601,665.00x = 830,306.88 × 329,730.68
  4. Step 4: Simplify right side
    601,665.00x = 273,777,657,020.16
  5. Step 5: Solve for x
    x = 273,777,657,020.16/601,665.00
  6. Step 6: Final answer
    x = 455,033.38

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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.