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Finding the Fourth Proportional to 546,483.06, 753,889.23 and 355,426.74

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Solution

The fourth proportional to 546,483.06, 753,889.23 and 355,426.74 is: 490,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,483.06 : 753,889.23 = 355,426.74 : x
  2. Step 2: Convert to fraction form
    546,483.06/753,889.23 = 355,426.74/x
  3. Step 3: Cross multiply
    546,483.06x = 753,889.23 × 355,426.74
  4. Step 4: Simplify right side
    546,483.06x = 267,952,391,340.01
  5. Step 5: Solve for x
    x = 267,952,391,340.01/546,483.06
  6. Step 6: Final answer
    x = 490,321.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.