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Finding the Fourth Proportional to 432,999.81, 597,530.39 and 239,400.08

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Solution

The fourth proportional to 432,999.81, 597,530.39 and 239,400.08 is: 330,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,999.81 : 597,530.39 = 239,400.08 : x
  2. Step 2: Convert to fraction form
    432,999.81/597,530.39 = 239,400.08/x
  3. Step 3: Cross multiply
    432,999.81x = 597,530.39 × 239,400.08
  4. Step 4: Simplify right side
    432,999.81x = 143,048,826,045.38
  5. Step 5: Solve for x
    x = 143,048,826,045.38/432,999.81
  6. Step 6: Final answer
    x = 330,366.95

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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.