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Finding the Fourth Proportional to 536,158.37, 739,713.57 and 342,679.32

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Solution

The fourth proportional to 536,158.37, 739,713.57 and 342,679.32 is: 472,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,158.37 : 739,713.57 = 342,679.32 : x
  2. Step 2: Convert to fraction form
    536,158.37/739,713.57 = 342,679.32/x
  3. Step 3: Cross multiply
    536,158.37x = 739,713.57 × 342,679.32
  4. Step 4: Simplify right side
    536,158.37x = 253,484,543,162.37
  5. Step 5: Solve for x
    x = 253,484,543,162.37/536,158.37
  6. Step 6: Final answer
    x = 472,779.24

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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.