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Finding the Fourth Proportional to 608,289.57, 839,430.83 and 336,351.49

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Solution

The fourth proportional to 608,289.57, 839,430.83 and 336,351.49 is: 464,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,289.57 : 839,430.83 = 336,351.49 : x
  2. Step 2: Convert to fraction form
    608,289.57/839,430.83 = 336,351.49/x
  3. Step 3: Cross multiply
    608,289.57x = 839,430.83 × 336,351.49
  4. Step 4: Simplify right side
    608,289.57x = 282,343,809,164.74
  5. Step 5: Solve for x
    x = 282,343,809,164.74/608,289.57
  6. Step 6: Final answer
    x = 464,160.20

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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.