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Finding the Fourth Proportional to 546,176.80, 819,265.20 and 470,069.20

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Solution

The fourth proportional to 546,176.80, 819,265.20 and 470,069.20 is: 705,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,176.80 : 819,265.20 = 470,069.20 : x
  2. Step 2: Convert to fraction form
    546,176.80/819,265.20 = 470,069.20/x
  3. Step 3: Cross multiply
    546,176.80x = 819,265.20 × 470,069.20
  4. Step 4: Simplify right side
    546,176.80x = 385,111,337,151.84
  5. Step 5: Solve for x
    x = 385,111,337,151.84/546,176.80
  6. Step 6: Final answer
    x = 705,103.80

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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.