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Finding the Fourth Proportional to 531,330.60, 797,514.30 and 265,391.40

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Solution

The fourth proportional to 531,330.60, 797,514.30 and 265,391.40 is: 398,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,330.60 : 797,514.30 = 265,391.40 : x
  2. Step 2: Convert to fraction form
    531,330.60/797,514.30 = 265,391.40/x
  3. Step 3: Cross multiply
    531,330.60x = 797,514.30 × 265,391.40
  4. Step 4: Simplify right side
    531,330.60x = 211,653,436,597.02
  5. Step 5: Solve for x
    x = 211,653,436,597.02/531,330.60
  6. Step 6: Final answer
    x = 398,346.03

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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.