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Finding the Fourth Proportional to 506,536.80, 759,805.20 and 296,066.40

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Solution

The fourth proportional to 506,536.80, 759,805.20 and 296,066.40 is: 444,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,536.80 : 759,805.20 = 296,066.40 : x
  2. Step 2: Convert to fraction form
    506,536.80/759,805.20 = 296,066.40/x
  3. Step 3: Cross multiply
    506,536.80x = 759,805.20 × 296,066.40
  4. Step 4: Simplify right side
    506,536.80x = 224,952,790,265.28
  5. Step 5: Solve for x
    x = 224,952,790,265.28/506,536.80
  6. Step 6: Final answer
    x = 444,099.60

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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.