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Finding the Fourth Proportional to 435,271.15, 652,684.47 and 255,707.29

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Solution

The fourth proportional to 435,271.15, 652,684.47 and 255,707.29 is: 383,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,271.15 : 652,684.47 = 255,707.29 : x
  2. Step 2: Convert to fraction form
    435,271.15/652,684.47 = 255,707.29/x
  3. Step 3: Cross multiply
    435,271.15x = 652,684.47 × 255,707.29
  4. Step 4: Simplify right side
    435,271.15x = 166,896,177,048.79
  5. Step 5: Solve for x
    x = 166,896,177,048.79/435,271.15
  6. Step 6: Final answer
    x = 383,430.37

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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.