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Finding the Fourth Proportional to 310,641.01, 428,676.03 and 174,671.46

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Solution

The fourth proportional to 310,641.01, 428,676.03 and 174,671.46 is: 241,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,641.01 : 428,676.03 = 174,671.46 : x
  2. Step 2: Convert to fraction form
    310,641.01/428,676.03 = 174,671.46/x
  3. Step 3: Cross multiply
    310,641.01x = 428,676.03 × 174,671.46
  4. Step 4: Simplify right side
    310,641.01x = 74,877,468,027.10
  5. Step 5: Solve for x
    x = 74,877,468,027.10/310,641.01
  6. Step 6: Final answer
    x = 241,041.80

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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.