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Finding the Fourth Proportional to 618,779.34, 928,169.76 and 169,504.08

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Solution

The fourth proportional to 618,779.34, 928,169.76 and 169,504.08 is: 254,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,779.34 : 928,169.76 = 169,504.08 : x
  2. Step 2: Convert to fraction form
    618,779.34/928,169.76 = 169,504.08/x
  3. Step 3: Cross multiply
    618,779.34x = 928,169.76 × 169,504.08
  4. Step 4: Simplify right side
    618,779.34x = 157,328,561,252.62
  5. Step 5: Solve for x
    x = 157,328,561,252.62/618,779.34
  6. Step 6: Final answer
    x = 254,256.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.