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Finding the Fourth Proportional to 546,053.40, 819,080.10 and 347,255.10

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Solution

The fourth proportional to 546,053.40, 819,080.10 and 347,255.10 is: 520,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,053.40 : 819,080.10 = 347,255.10 : x
  2. Step 2: Convert to fraction form
    546,053.40/819,080.10 = 347,255.10/x
  3. Step 3: Cross multiply
    546,053.40x = 819,080.10 × 347,255.10
  4. Step 4: Simplify right side
    546,053.40x = 284,429,742,033.51
  5. Step 5: Solve for x
    x = 284,429,742,033.51/546,053.40
  6. Step 6: Final answer
    x = 520,882.65

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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.