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Finding the Fourth Proportional to 531,142.61, 796,962.63 and 264,923.64

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Solution

The fourth proportional to 531,142.61, 796,962.63 and 264,923.64 is: 397,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,142.61 : 796,962.63 = 264,923.64 : x
  2. Step 2: Convert to fraction form
    531,142.61/796,962.63 = 264,923.64/x
  3. Step 3: Cross multiply
    531,142.61x = 796,962.63 × 264,923.64
  4. Step 4: Simplify right side
    531,142.61x = 211,134,240,883.57
  5. Step 5: Solve for x
    x = 211,134,240,883.57/531,142.61
  6. Step 6: Final answer
    x = 397,509.52

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Double scale
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Similar ratio
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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.