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Finding the Fourth Proportional to 608,323.41, 839,491.74 and 336,409.61

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Solution

The fourth proportional to 608,323.41, 839,491.74 and 336,409.61 is: 464,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,323.41 : 839,491.74 = 336,409.61 : x
  2. Step 2: Convert to fraction form
    608,323.41/839,491.74 = 336,409.61/x
  3. Step 3: Cross multiply
    608,323.41x = 839,491.74 × 336,409.61
  4. Step 4: Simplify right side
    608,323.41x = 282,413,084,654.16
  5. Step 5: Solve for x
    x = 282,413,084,654.16/608,323.41
  6. Step 6: Final answer
    x = 464,248.26

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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.