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Finding the Fourth Proportional to 504,986.09, 757,478.16 and 294,476.40

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Solution

The fourth proportional to 504,986.09, 757,478.16 and 294,476.40 is: 441,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,986.09 : 757,478.16 = 294,476.40 : x
  2. Step 2: Convert to fraction form
    504,986.09/757,478.16 = 294,476.40/x
  3. Step 3: Cross multiply
    504,986.09x = 757,478.16 × 294,476.40
  4. Step 4: Simplify right side
    504,986.09x = 223,059,441,635.42
  5. Step 5: Solve for x
    x = 223,059,441,635.42/504,986.09
  6. Step 6: Final answer
    x = 441,714.04

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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.