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Finding the Fourth Proportional to 546,762.20, 820,143.30 and 471,966.80

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Solution

The fourth proportional to 546,762.20, 820,143.30 and 471,966.80 is: 707,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,762.20 : 820,143.30 = 471,966.80 : x
  2. Step 2: Convert to fraction form
    546,762.20/820,143.30 = 471,966.80/x
  3. Step 3: Cross multiply
    546,762.20x = 820,143.30 × 471,966.80
  4. Step 4: Simplify right side
    546,762.20x = 387,080,408,842.44
  5. Step 5: Solve for x
    x = 387,080,408,842.44/546,762.20
  6. Step 6: Final answer
    x = 707,950.20

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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.