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Finding the Fourth Proportional to 593,001.28, 818,342.24 and 321,069.28

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Solution

The fourth proportional to 593,001.28, 818,342.24 and 321,069.28 is: 443,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,001.28 : 818,342.24 = 321,069.28 : x
  2. Step 2: Convert to fraction form
    593,001.28/818,342.24 = 321,069.28/x
  3. Step 3: Cross multiply
    593,001.28x = 818,342.24 × 321,069.28
  4. Step 4: Simplify right side
    593,001.28x = 262,744,553,790.39
  5. Step 5: Solve for x
    x = 262,744,553,790.39/593,001.28
  6. Step 6: Final answer
    x = 443,075.86

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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.