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Finding the Fourth Proportional to 593,441.12, 818,948.94 and 321,510.88

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Solution

The fourth proportional to 593,441.12, 818,948.94 and 321,510.88 is: 443,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,441.12 : 818,948.94 = 321,510.88 : x
  2. Step 2: Convert to fraction form
    593,441.12/818,948.94 = 321,510.88/x
  3. Step 3: Cross multiply
    593,441.12x = 818,948.94 × 321,510.88
  4. Step 4: Simplify right side
    593,441.12x = 263,300,994,374.47
  5. Step 5: Solve for x
    x = 263,300,994,374.47/593,441.12
  6. Step 6: Final answer
    x = 443,685.12

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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.