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Finding the Fourth Proportional to 473,605.79, 710,392.28 and 118,622.88

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Solution

The fourth proportional to 473,605.79, 710,392.28 and 118,622.88 is: 177,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,605.79 : 710,392.28 = 118,622.88 : x
  2. Step 2: Convert to fraction form
    473,605.79/710,392.28 = 118,622.88/x
  3. Step 3: Cross multiply
    473,605.79x = 710,392.28 × 118,622.88
  4. Step 4: Simplify right side
    473,605.79x = 84,268,777,590.25
  5. Step 5: Solve for x
    x = 84,268,777,590.25/473,605.79
  6. Step 6: Final answer
    x = 177,930.21

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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.