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Finding the Fourth Proportional to 402,779.25, 555,851.43 and 241,575.48

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Solution

The fourth proportional to 402,779.25, 555,851.43 and 241,575.48 is: 333,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,779.25 : 555,851.43 = 241,575.48 : x
  2. Step 2: Convert to fraction form
    402,779.25/555,851.43 = 241,575.48/x
  3. Step 3: Cross multiply
    402,779.25x = 555,851.43 × 241,575.48
  4. Step 4: Simplify right side
    402,779.25x = 134,280,076,010.94
  5. Step 5: Solve for x
    x = 134,280,076,010.94/402,779.25
  6. Step 6: Final answer
    x = 333,383.80

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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.