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Finding the Fourth Proportional to 546,308.02, 754,026.06 and 354,989.26

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Solution

The fourth proportional to 546,308.02, 754,026.06 and 354,989.26 is: 489,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,308.02 : 754,026.06 = 354,989.26 : x
  2. Step 2: Convert to fraction form
    546,308.02/754,026.06 = 354,989.26/x
  3. Step 3: Cross multiply
    546,308.02x = 754,026.06 × 354,989.26
  4. Step 4: Simplify right side
    546,308.02x = 267,671,153,060.12
  5. Step 5: Solve for x
    x = 267,671,153,060.12/546,308.02
  6. Step 6: Final answer
    x = 489,963.80

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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.