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Finding the Fourth Proportional to 395,676.32, 546,032.54 and 214,393.15

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Solution

The fourth proportional to 395,676.32, 546,032.54 and 214,393.15 is: 295,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,676.32 : 546,032.54 = 214,393.15 : x
  2. Step 2: Convert to fraction form
    395,676.32/546,032.54 = 214,393.15/x
  3. Step 3: Cross multiply
    395,676.32x = 546,032.54 × 214,393.15
  4. Step 4: Simplify right side
    395,676.32x = 117,065,636,253.10
  5. Step 5: Solve for x
    x = 117,065,636,253.10/395,676.32
  6. Step 6: Final answer
    x = 295,862.12

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1.5x scale

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.