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Finding the Fourth Proportional to 653,706.40, 902,222.04 and 544,638.01

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Solution

The fourth proportional to 653,706.40, 902,222.04 and 544,638.01 is: 751,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,706.40 : 902,222.04 = 544,638.01 : x
  2. Step 2: Convert to fraction form
    653,706.40/902,222.04 = 544,638.01/x
  3. Step 3: Cross multiply
    653,706.40x = 902,222.04 × 544,638.01
  4. Step 4: Simplify right side
    653,706.40x = 491,384,416,443.74
  5. Step 5: Solve for x
    x = 491,384,416,443.74/653,706.40
  6. Step 6: Final answer
    x = 751,689.77

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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.