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Finding the Fourth Proportional to 546,786.30, 763,729.35 and 546,786.30

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Solution

The fourth proportional to 546,786.30, 763,729.35 and 546,786.30 is: 763,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,786.30 : 763,729.35 = 546,786.30 : x
  2. Step 2: Convert to fraction form
    546,786.30/763,729.35 = 546,786.30/x
  3. Step 3: Cross multiply
    546,786.30x = 763,729.35 × 546,786.30
  4. Step 4: Simplify right side
    546,786.30x = 417,596,745,487.91
  5. Step 5: Solve for x
    x = 417,596,745,487.91/546,786.30
  6. Step 6: Final answer
    x = 763,729.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.