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Finding the Fourth Proportional to 470,881.26, 701,886 and 433,089.90

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Solution

The fourth proportional to 470,881.26, 701,886 and 433,089.90 is: 645,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,881.26 : 701,886 = 433,089.90 : x
  2. Step 2: Convert to fraction form
    470,881.26/701,886 = 433,089.90/x
  3. Step 3: Cross multiply
    470,881.26x = 701,886 × 433,089.90
  4. Step 4: Simplify right side
    470,881.26x = 303,979,737,551.40
  5. Step 5: Solve for x
    x = 303,979,737,551.40/470,881.26
  6. Step 6: Final answer
    x = 645,554.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.