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Finding the Fourth Proportional to 518,292.15, 777,477.59 and 176,629.39

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Solution

The fourth proportional to 518,292.15, 777,477.59 and 176,629.39 is: 264,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,292.15 : 777,477.59 = 176,629.39 : x
  2. Step 2: Convert to fraction form
    518,292.15/777,477.59 = 176,629.39/x
  3. Step 3: Cross multiply
    518,292.15x = 777,477.59 × 176,629.39
  4. Step 4: Simplify right side
    518,292.15x = 137,325,389,633.53
  5. Step 5: Solve for x
    x = 137,325,389,633.53/518,292.15
  6. Step 6: Final answer
    x = 264,957.49

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1.5x scale

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.