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Finding the Fourth Proportional to 866,276.84, 1,299,636.68 and 333,654.86

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Solution

The fourth proportional to 866,276.84, 1,299,636.68 and 333,654.86 is: 500,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,276.84 : 1,299,636.68 = 333,654.86 : x
  2. Step 2: Convert to fraction form
    866,276.84/1,299,636.68 = 333,654.86/x
  3. Step 3: Cross multiply
    866,276.84x = 1,299,636.68 × 333,654.86
  4. Step 4: Simplify right side
    866,276.84x = 433,630,086,349.81
  5. Step 5: Solve for x
    x = 433,630,086,349.81/866,276.84
  6. Step 6: Final answer
    x = 500,567.57

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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.