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Finding the Fourth Proportional to 369,303.29, 553,856.52 and 103,016.90

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Solution

The fourth proportional to 369,303.29, 553,856.52 and 103,016.90 is: 154,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,303.29 : 553,856.52 = 103,016.90 : x
  2. Step 2: Convert to fraction form
    369,303.29/553,856.52 = 103,016.90/x
  3. Step 3: Cross multiply
    369,303.29x = 553,856.52 × 103,016.90
  4. Step 4: Simplify right side
    369,303.29x = 57,056,581,735.19
  5. Step 5: Solve for x
    x = 57,056,581,735.19/369,303.29
  6. Step 6: Final answer
    x = 154,497.90

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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.