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Finding the Fourth Proportional to 369,332.56, 553,900.29 and 103,046.28

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Solution

The fourth proportional to 369,332.56, 553,900.29 and 103,046.28 is: 154,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,332.56 : 553,900.29 = 103,046.28 : x
  2. Step 2: Convert to fraction form
    369,332.56/553,900.29 = 103,046.28/x
  3. Step 3: Cross multiply
    369,332.56x = 553,900.29 × 103,046.28
  4. Step 4: Simplify right side
    369,332.56x = 57,077,364,375.42
  5. Step 5: Solve for x
    x = 57,077,364,375.42/369,332.56
  6. Step 6: Final answer
    x = 154,541.92

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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.