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Finding the Fourth Proportional to 369,594.45, 554,391.75 and 129,896.51

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Solution

The fourth proportional to 369,594.45, 554,391.75 and 129,896.51 is: 194,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,594.45 : 554,391.75 = 129,896.51 : x
  2. Step 2: Convert to fraction form
    369,594.45/554,391.75 = 129,896.51/x
  3. Step 3: Cross multiply
    369,594.45x = 554,391.75 × 129,896.51
  4. Step 4: Simplify right side
    369,594.45x = 72,013,554,883.77
  5. Step 5: Solve for x
    x = 72,013,554,883.77/369,594.45
  6. Step 6: Final answer
    x = 194,844.80

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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.