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Finding the Fourth Proportional to 551,621.58, 761,299.56 and 333,950.23

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Solution

The fourth proportional to 551,621.58, 761,299.56 and 333,950.23 is: 460,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,621.58 : 761,299.56 = 333,950.23 : x
  2. Step 2: Convert to fraction form
    551,621.58/761,299.56 = 333,950.23/x
  3. Step 3: Cross multiply
    551,621.58x = 761,299.56 × 333,950.23
  4. Step 4: Simplify right side
    551,621.58x = 254,236,163,160.90
  5. Step 5: Solve for x
    x = 254,236,163,160.90/551,621.58
  6. Step 6: Final answer
    x = 460,888.72

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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.