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Finding the Fourth Proportional to 608,285.45, 839,425.15 and 336,347.35

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Solution

The fourth proportional to 608,285.45, 839,425.15 and 336,347.35 is: 464,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,285.45 : 839,425.15 = 336,347.35 : x
  2. Step 2: Convert to fraction form
    608,285.45/839,425.15 = 336,347.35/x
  3. Step 3: Cross multiply
    608,285.45x = 839,425.15 × 336,347.35
  4. Step 4: Simplify right side
    608,285.45x = 282,338,424,725.85
  5. Step 5: Solve for x
    x = 282,338,424,725.85/608,285.45
  6. Step 6: Final answer
    x = 464,154.49

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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.