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Finding the Fourth Proportional to 608,134.99, 839,221.61 and 336,214.34

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Solution

The fourth proportional to 608,134.99, 839,221.61 and 336,214.34 is: 463,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,134.99 : 839,221.61 = 336,214.34 : x
  2. Step 2: Convert to fraction form
    608,134.99/839,221.61 = 336,214.34/x
  3. Step 3: Cross multiply
    608,134.99x = 839,221.61 × 336,214.34
  4. Step 4: Simplify right side
    608,134.99x = 282,158,343,601.62
  5. Step 5: Solve for x
    x = 282,158,343,601.62/608,134.99
  6. Step 6: Final answer
    x = 463,973.21

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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.