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Finding the Fourth Proportional to 531,693.40, 796,811.10 and 341,570.20

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Solution

The fourth proportional to 531,693.40, 796,811.10 and 341,570.20 is: 511,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,693.40 : 796,811.10 = 341,570.20 : x
  2. Step 2: Convert to fraction form
    531,693.40/796,811.10 = 341,570.20/x
  3. Step 3: Cross multiply
    531,693.40x = 796,811.10 × 341,570.20
  4. Step 4: Simplify right side
    531,693.40x = 272,166,926,789.22
  5. Step 5: Solve for x
    x = 272,166,926,789.22/531,693.40
  6. Step 6: Final answer
    x = 511,886.98

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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.