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Finding the Fourth Proportional to 536,754.98, 740,791.80 and 346,322.36

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Solution

The fourth proportional to 536,754.98, 740,791.80 and 346,322.36 is: 477,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,754.98 : 740,791.80 = 346,322.36 : x
  2. Step 2: Convert to fraction form
    536,754.98/740,791.80 = 346,322.36/x
  3. Step 3: Cross multiply
    536,754.98x = 740,791.80 × 346,322.36
  4. Step 4: Simplify right side
    536,754.98x = 256,552,764,444.65
  5. Step 5: Solve for x
    x = 256,552,764,444.65/536,754.98
  6. Step 6: Final answer
    x = 477,969.98

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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.