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Finding the Fourth Proportional to 369,955.14, 554,951.84 and 117,262.48

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Solution

The fourth proportional to 369,955.14, 554,951.84 and 117,262.48 is: 175,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,955.14 : 554,951.84 = 117,262.48 : x
  2. Step 2: Convert to fraction form
    369,955.14/554,951.84 = 117,262.48/x
  3. Step 3: Cross multiply
    369,955.14x = 554,951.84 × 117,262.48
  4. Step 4: Simplify right side
    369,955.14x = 65,075,029,038.96
  5. Step 5: Solve for x
    x = 65,075,029,038.96/369,955.14
  6. Step 6: Final answer
    x = 175,899.78

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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.