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Finding the Fourth Proportional to 518,994.54, 716,230.13 and 301,186.35

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Solution

The fourth proportional to 518,994.54, 716,230.13 and 301,186.35 is: 415,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,994.54 : 716,230.13 = 301,186.35 : x
  2. Step 2: Convert to fraction form
    518,994.54/716,230.13 = 301,186.35/x
  3. Step 3: Cross multiply
    518,994.54x = 716,230.13 × 301,186.35
  4. Step 4: Simplify right side
    518,994.54x = 215,718,735,033.58
  5. Step 5: Solve for x
    x = 215,718,735,033.58/518,994.54
  6. Step 6: Final answer
    x = 415,647.41

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1.5x scale

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.