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Finding the Fourth Proportional to 720,779.04, 994,676.76 and 414,874.44

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Solution

The fourth proportional to 720,779.04, 994,676.76 and 414,874.44 is: 572,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,779.04 : 994,676.76 = 414,874.44 : x
  2. Step 2: Convert to fraction form
    720,779.04/994,676.76 = 414,874.44/x
  3. Step 3: Cross multiply
    720,779.04x = 994,676.76 × 414,874.44
  4. Step 4: Simplify right side
    720,779.04x = 412,665,963,786.01
  5. Step 5: Solve for x
    x = 412,665,963,786.01/720,779.04
  6. Step 6: Final answer
    x = 572,527.70

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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.