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Finding the Fourth Proportional to 433,582.30, 598,328.28 and 239,990.38

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Solution

The fourth proportional to 433,582.30, 598,328.28 and 239,990.38 is: 331,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,582.30 : 598,328.28 = 239,990.38 : x
  2. Step 2: Convert to fraction form
    433,582.30/598,328.28 = 239,990.38/x
  3. Step 3: Cross multiply
    433,582.30x = 598,328.28 × 239,990.38
  4. Step 4: Simplify right side
    433,582.30x = 143,593,031,281.95
  5. Step 5: Solve for x
    x = 143,593,031,281.95/433,582.30
  6. Step 6: Final answer
    x = 331,178.26

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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.