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Finding the Fourth Proportional to 433,387.28, 598,063.56 and 239,802.32

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Solution

The fourth proportional to 433,387.28, 598,063.56 and 239,802.32 is: 330,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,387.28 : 598,063.56 = 239,802.32 : x
  2. Step 2: Convert to fraction form
    433,387.28/598,063.56 = 239,802.32/x
  3. Step 3: Cross multiply
    433,387.28x = 598,063.56 × 239,802.32
  4. Step 4: Simplify right side
    433,387.28x = 143,417,029,195.46
  5. Step 5: Solve for x
    x = 143,417,029,195.46/433,387.28
  6. Step 6: Final answer
    x = 330,921.18

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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.