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Finding the Fourth Proportional to 602,312.64, 903,487.20 and 153,033.54

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Solution

The fourth proportional to 602,312.64, 903,487.20 and 153,033.54 is: 229,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,312.64 : 903,487.20 = 153,033.54 : x
  2. Step 2: Convert to fraction form
    602,312.64/903,487.20 = 153,033.54/x
  3. Step 3: Cross multiply
    602,312.64x = 903,487.20 × 153,033.54
  4. Step 4: Simplify right side
    602,312.64x = 138,263,844,560.69
  5. Step 5: Solve for x
    x = 138,263,844,560.69/602,312.64
  6. Step 6: Final answer
    x = 229,554.94

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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.