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Finding the Fourth Proportional to 536,611.84, 740,488.53 and 294,889.21

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Solution

The fourth proportional to 536,611.84, 740,488.53 and 294,889.21 is: 406,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,611.84 : 740,488.53 = 294,889.21 : x
  2. Step 2: Convert to fraction form
    536,611.84/740,488.53 = 294,889.21/x
  3. Step 3: Cross multiply
    536,611.84x = 740,488.53 × 294,889.21
  4. Step 4: Simplify right side
    536,611.84x = 218,362,077,625.76
  5. Step 5: Solve for x
    x = 218,362,077,625.76/536,611.84
  6. Step 6: Final answer
    x = 406,927.43

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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.