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Finding the Fourth Proportional to 607,073.18, 838,506.48 and 454,792.64

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Solution

The fourth proportional to 607,073.18, 838,506.48 and 454,792.64 is: 628,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,073.18 : 838,506.48 = 454,792.64 : x
  2. Step 2: Convert to fraction form
    607,073.18/838,506.48 = 454,792.64/x
  3. Step 3: Cross multiply
    607,073.18x = 838,506.48 × 454,792.64
  4. Step 4: Simplify right side
    607,073.18x = 381,346,575,696.31
  5. Step 5: Solve for x
    x = 381,346,575,696.31/607,073.18
  6. Step 6: Final answer
    x = 628,172.33

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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.