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Finding the Fourth Proportional to 370,956.48, 556,426.08 and 202,640.64

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Solution

The fourth proportional to 370,956.48, 556,426.08 and 202,640.64 is: 303,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,956.48 : 556,426.08 = 202,640.64 : x
  2. Step 2: Convert to fraction form
    370,956.48/556,426.08 = 202,640.64/x
  3. Step 3: Cross multiply
    370,956.48x = 556,426.08 × 202,640.64
  4. Step 4: Simplify right side
    370,956.48x = 112,754,536,963.89
  5. Step 5: Solve for x
    x = 112,754,536,963.89/370,956.48
  6. Step 6: Final answer
    x = 303,956.24

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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.