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Finding the Fourth Proportional to 395,885.27, 546,252.46 and 234,779.92

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Solution

The fourth proportional to 395,885.27, 546,252.46 and 234,779.92 is: 323,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,885.27 : 546,252.46 = 234,779.92 : x
  2. Step 2: Convert to fraction form
    395,885.27/546,252.46 = 234,779.92/x
  3. Step 3: Cross multiply
    395,885.27x = 546,252.46 × 234,779.92
  4. Step 4: Simplify right side
    395,885.27x = 128,249,106,906.02
  5. Step 5: Solve for x
    x = 128,249,106,906.02/395,885.27
  6. Step 6: Final answer
    x = 323,955.24

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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.