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Finding the Fourth Proportional to 620,574.34, 929,024.43 and 383,153.62

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Solution

The fourth proportional to 620,574.34, 929,024.43 and 383,153.62 is: 573,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,574.34 : 929,024.43 = 383,153.62 : x
  2. Step 2: Convert to fraction form
    620,574.34/929,024.43 = 383,153.62/x
  3. Step 3: Cross multiply
    620,574.34x = 929,024.43 × 383,153.62
  4. Step 4: Simplify right side
    620,574.34x = 355,959,073,422.94
  5. Step 5: Solve for x
    x = 355,959,073,422.94/620,574.34
  6. Step 6: Final answer
    x = 573,596.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.