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Finding the Fourth Proportional to 473,440.80, 653,351.88 and 258,576.96

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Solution

The fourth proportional to 473,440.80, 653,351.88 and 258,576.96 is: 356,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,440.80 : 653,351.88 = 258,576.96 : x
  2. Step 2: Convert to fraction form
    473,440.80/653,351.88 = 258,576.96/x
  3. Step 3: Cross multiply
    473,440.80x = 653,351.88 × 258,576.96
  4. Step 4: Simplify right side
    473,440.80x = 168,941,742,940.69
  5. Step 5: Solve for x
    x = 168,941,742,940.69/473,440.80
  6. Step 6: Final answer
    x = 356,838.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.