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Finding the Fourth Proportional to 537,066.27, 805,599.41 and 255,730.59

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Solution

The fourth proportional to 537,066.27, 805,599.41 and 255,730.59 is: 383,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,066.27 : 805,599.41 = 255,730.59 : x
  2. Step 2: Convert to fraction form
    537,066.27/805,599.41 = 255,730.59/x
  3. Step 3: Cross multiply
    537,066.27x = 805,599.41 × 255,730.59
  4. Step 4: Simplify right side
    537,066.27x = 206,016,411,144.30
  5. Step 5: Solve for x
    x = 206,016,411,144.30/537,066.27
  6. Step 6: Final answer
    x = 383,595.89

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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.