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Finding the Fourth Proportional to 547,525.19, 755,510.00 and 305,776.91

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Solution

The fourth proportional to 547,525.19, 755,510.00 and 305,776.91 is: 421,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,525.19 : 755,510.00 = 305,776.91 : x
  2. Step 2: Convert to fraction form
    547,525.19/755,510.00 = 305,776.91/x
  3. Step 3: Cross multiply
    547,525.19x = 755,510.00 × 305,776.91
  4. Step 4: Simplify right side
    547,525.19x = 231,017,507,967.67
  5. Step 5: Solve for x
    x = 231,017,507,967.67/547,525.19
  6. Step 6: Final answer
    x = 421,930.38

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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.