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Finding the Fourth Proportional to 369,304.29, 553,858.02 and 103,017.90

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Solution

The fourth proportional to 369,304.29, 553,858.02 and 103,017.90 is: 154,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,304.29 : 553,858.02 = 103,017.90 : x
  2. Step 2: Convert to fraction form
    369,304.29/553,858.02 = 103,017.90/x
  3. Step 3: Cross multiply
    369,304.29x = 553,858.02 × 103,017.90
  4. Step 4: Simplify right side
    369,304.29x = 57,057,290,118.56
  5. Step 5: Solve for x
    x = 57,057,290,118.56/369,304.29
  6. Step 6: Final answer
    x = 154,499.40

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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.