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Finding the Fourth Proportional to 450,718.62, 676,033.92 and 118,294.62

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Solution

The fourth proportional to 450,718.62, 676,033.92 and 118,294.62 is: 177,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,718.62 : 676,033.92 = 118,294.62 : x
  2. Step 2: Convert to fraction form
    450,718.62/676,033.92 = 118,294.62/x
  3. Step 3: Cross multiply
    450,718.62x = 676,033.92 × 118,294.62
  4. Step 4: Simplify right side
    450,718.62x = 79,971,175,673.51
  5. Step 5: Solve for x
    x = 79,971,175,673.51/450,718.62
  6. Step 6: Final answer
    x = 177,430.38

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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.