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Finding the Fourth Proportional to 369,652.02, 554,396.28 and 103,340.94

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Solution

The fourth proportional to 369,652.02, 554,396.28 and 103,340.94 is: 154,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,652.02 : 554,396.28 = 103,340.94 : x
  2. Step 2: Convert to fraction form
    369,652.02/554,396.28 = 103,340.94/x
  3. Step 3: Cross multiply
    369,652.02x = 554,396.28 × 103,340.94
  4. Step 4: Simplify right side
    369,652.02x = 57,291,832,707.70
  5. Step 5: Solve for x
    x = 57,291,832,707.70/369,652.02
  6. Step 6: Final answer
    x = 154,988.56

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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.