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Finding the Fourth Proportional to 720,643.02, 994,586.04 and 414,713.04

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Solution

The fourth proportional to 720,643.02, 994,586.04 and 414,713.04 is: 572,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,643.02 : 994,586.04 = 414,713.04 : x
  2. Step 2: Convert to fraction form
    720,643.02/994,586.04 = 414,713.04/x
  3. Step 3: Cross multiply
    720,643.02x = 994,586.04 × 414,713.04
  4. Step 4: Simplify right side
    720,643.02x = 412,467,800,189.96
  5. Step 5: Solve for x
    x = 412,467,800,189.96/720,643.02
  6. Step 6: Final answer
    x = 572,360.78

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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.