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Finding the Fourth Proportional to 546,006.30, 819,009.45 and 404,288.70

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Solution

The fourth proportional to 546,006.30, 819,009.45 and 404,288.70 is: 606,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,006.30 : 819,009.45 = 404,288.70 : x
  2. Step 2: Convert to fraction form
    546,006.30/819,009.45 = 404,288.70/x
  3. Step 3: Cross multiply
    546,006.30x = 819,009.45 × 404,288.70
  4. Step 4: Simplify right side
    546,006.30x = 331,116,265,828.22
  5. Step 5: Solve for x
    x = 331,116,265,828.22/546,006.30
  6. Step 6: Final answer
    x = 606,433.05

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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.