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Finding the Fourth Proportional to 369,863.48, 554,304.77 and 189,941.63

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Solution

The fourth proportional to 369,863.48, 554,304.77 and 189,941.63 is: 284,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,863.48 : 554,304.77 = 189,941.63 : x
  2. Step 2: Convert to fraction form
    369,863.48/554,304.77 = 189,941.63/x
  3. Step 3: Cross multiply
    369,863.48x = 554,304.77 × 189,941.63
  4. Step 4: Simplify right side
    369,863.48x = 105,285,551,966.63
  5. Step 5: Solve for x
    x = 105,285,551,966.63/369,863.48
  6. Step 6: Final answer
    x = 284,660.58

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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.