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Finding the Fourth Proportional to 608,407.50, 839,581.20 and 350,275.89

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Solution

The fourth proportional to 608,407.50, 839,581.20 and 350,275.89 is: 483,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,407.50 : 839,581.20 = 350,275.89 : x
  2. Step 2: Convert to fraction form
    608,407.50/839,581.20 = 350,275.89/x
  3. Step 3: Cross multiply
    608,407.50x = 839,581.20 × 350,275.89
  4. Step 4: Simplify right side
    608,407.50x = 294,085,052,057.27
  5. Step 5: Solve for x
    x = 294,085,052,057.27/608,407.50
  6. Step 6: Final answer
    x = 483,368.55

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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.